Bump actions/upload-artifact from 5 to 6 (#125)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

@@ -30,7 +30,7 @@ jobs:
           python3 -m pip install --upgrade pip build
           python3 -m build
       - name: Upload wheels
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: wheels
           path: dist/*.whl

.github/workflows/linting.yml

@@ -71,7 +71,7 @@ jobs:
           mypy --config-file pyproject.toml --junit-xml mypy-${{ matrix.python-version }}.xml .
       - name: Upload Unit Test Results
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: MyPy Test Results (Python ${{ matrix.python-version }})
           path: mypy-${{ matrix.python-version }}.xml
@@ -81,7 +81,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Upload
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: Event File
           path: ${{ github.event_path }}

.github/workflows/test.yml

@@ -53,7 +53,7 @@ jobs:
       - run: mv test_reports/all.xml test_reports/pytest-${{ matrix.python-version }}.xml
       - name: Upload Test Results
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: "Pytest Test Results (Python ${{ matrix.python-version }})"
           path: test_reports/pytest-${{ matrix.python-version }}.xml
@@ -64,7 +64,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Upload
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: Event File
           path: ${{ github.event_path }}