Bump docker/setup-buildx-action from 2 to 3

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2 to 3.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v2...v3)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/anchore.yml

@@ -53,7 +53,7 @@ jobs:
 
     # https://github.com/docker/setup-buildx-action
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v2
+      uses: docker/setup-buildx-action@v3
 
     # Build and push Docker image with Buildx (don't push on PR)
     # https://github.com/docker/bake-action

.github/workflows/manual_leaf_update.yml

@@ -26,7 +26,7 @@ jobs:
       # multi-platform images and export cache
       # https://github.com/docker/setup-buildx-action
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v3.3.0
+        uses: docker/setup-buildx-action@65d18f8f8a05aab1b2d761032bec9cd5578caadb # v3.3.0
 
       - name: Set user email from actor
         run: |

.github/workflows/push.yml

@@ -52,7 +52,7 @@ jobs:
       # multi-platform images and export cache
       # https://github.com/docker/setup-buildx-action
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v3.3.0
+        uses: docker/setup-buildx-action@65d18f8f8a05aab1b2d761032bec9cd5578caadb # v3.3.0
 
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action