chore(deps): bump docker/build-push-action from 2 to 2.4.0 (#1960)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 2 to 2.4.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v2...v2.4.0)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Georg Lauterbach <44545919+aendeavor@users.noreply.github.com>

.github/workflows/default_on_push.yml

@@ -34,7 +34,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-buildx-
       - name: Build image locally
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v2.4.0
         with:
           builder: ${{ steps.buildx.outputs.name }}
           context: .
@@ -99,7 +99,7 @@ jobs:
           username: ${{ secrets.GHCR_USERNAME }}
           password: ${{ secrets.GHCR_PASSWORD }}
       - name: Build image locally
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v2.4.0
         with:
           builder: ${{ steps.buildx.outputs.name }}
           context: .

.github/workflows/scheduled_builds.yml

@@ -39,7 +39,7 @@ jobs:
           username: ${{ secrets.GHCR_USERNAME }}
           password: ${{ secrets.GHCR_PASSWORD }}
       - name: Build image locally
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v2.4.0
         with:
           builder: ${{ steps.buildx.outputs.name }}
           context: .

.github/workflows/test_merge_requests.yml

@@ -19,7 +19,7 @@ jobs:
         with:
           submodules: recursive
       - name: Build image locally
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v2.4.0
         with:
           context: .
           file: ./Dockerfile