Bump the actions group across 1 directory with 3 updates (jupyter#7704)

Bumps the actions group with 3 updates in the / directory: [actions/checkout](https://github.com/actions/checkout), [actions/download-artifact](https://github.com/actions/download-artifact) and [prefix-dev/setup-pixi](https://github.com/prefix-dev/setup-pixi).


Updates `actions/checkout` from 4 to 5
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

Updates `actions/download-artifact` from 4 to 5
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4...v5)

Updates `prefix-dev/setup-pixi` from 0.8.11 to 0.9.0
- [Release notes](https://github.com/prefix-dev/setup-pixi/releases)
- [Commits](prefix-dev/setup-pixi@v0.8.11...v0.9.0)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/download-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: prefix-dev/setup-pixi
  dependency-version: 0.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Build
         uses: ./.github/actions/build-dist
@@ -41,7 +41,7 @@ jobs:
         python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Base Setup
         uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
@@ -68,7 +68,7 @@ jobs:
     needs:
       - test
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: jupyterlab/maintainer-tools/.github/actions/report-coverage@v1
         with:
           fail_under: 78
@@ -77,7 +77,7 @@ jobs:
     name: Test Docs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - run: |
           sudo apt-get update
@@ -92,7 +92,7 @@ jobs:
     timeout-minutes: 20
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
         with:
           dependency_type: minimum
@@ -106,7 +106,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
         with:
           dependency_type: pre
@@ -142,7 +142,7 @@ jobs:
         with:
           python-version: ${{ matrix.python }}
           allow-prereleases: true
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: notebook-dist-${{ github.run_number }}
           path: ./dist
@@ -170,7 +170,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - uses: jupyterlab/maintainer-tools/.github/actions/check-links@v1
         with:
@@ -181,7 +181,7 @@ jobs:
     name: Test Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - name: Run Linters
         run: |

.github/workflows/buildutils.yml

@@ -22,7 +22,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Base Setup
         uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
@@ -69,7 +69,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install Python
         uses: actions/setup-python@v5

.github/workflows/check-release.yml

@@ -17,7 +17,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Base Setup
         uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - name: Check Release

.github/workflows/playwright-update.yml

@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: React to the triggering comment
         run: |
@@ -86,7 +86,7 @@ jobs:
       - name: Build
         uses: ./.github/actions/build-dist
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: notebook-dist-${{ github.run_number }}
           path: ./dist

.github/workflows/ui-tests.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Build
         uses: ./.github/actions/build-dist
@@ -34,12 +34,12 @@ jobs:
         browser: [firefox, chromium]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Base Setup
         uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: notebook-dist-${{ github.run_number }}
           path: ./dist

.github/workflows/upgrade-jupyterlab-dependencies.yml

@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{ inputs.branch || 'main' }}
 
@@ -79,7 +79,7 @@ jobs:
             jlpm
             jlpm deduplicate
           fi
-      - uses: prefix-dev/setup-pixi@v0.8.11
+      - uses: prefix-dev/setup-pixi@v0.9.0
         with:
           pixi-version: v0.41.4
           manifest-path: pyproject.toml