Bump docker/build-push-action from 3 to 4

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 3 to 4.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v3...v4)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 749b6f3b04931435d5c9c4f6f47a2503760efbae..4ff979f603ded816d2118bd91eb48f2c1eed3950 100644 (file)
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -27,7 +27,7 @@ jobs:
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Build and push Docker image of master 
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v4
         with:
           context: ./contrib/docker/
           cache-from: type=registry,ref=dealii/dependencies:focal
@@ -36,7 +36,7 @@ jobs:
           tags: dealii/dealii:master-focal
 
       - name: Build and push Docker image of master with root user
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v4
         with:
           context: ./contrib/docker/
           file: ./contrib/docker/Dockerfile.root