build(deps): Bump docker/build-push-action from 4 to 5

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 4 to 5.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v4...v5)

---
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>

.github/workflows/deploydocker.yml

@@ -64,7 +64,7 @@ jobs:
 
       - name: Build and push
         id: docker_build
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: ./docker/server/Dockerfile
@@ -134,7 +134,7 @@ jobs:
 
       - name: Build and push
         id: docker_build
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: ./docker/proxy/Dockerfile

.github/workflows/docker-janus.yml

@@ -29,7 +29,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build Docker image
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: docker/janus
           load: true

.github/workflows/docker.yml

@@ -26,7 +26,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build Docker image for testing
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: docker/server/Dockerfile
@@ -38,7 +38,7 @@ jobs:
           docker run --rm ${{ env.TEST_TAG }} /usr/bin/nextcloud-spreed-signaling --version
 
       - name: Build Docker image
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: docker/server/Dockerfile
@@ -57,7 +57,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build Docker image for testing
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: docker/proxy/Dockerfile
@@ -69,7 +69,7 @@ jobs:
           docker run --rm ${{ env.TEST_TAG }} /usr/bin/nextcloud-spreed-signaling-proxy --version
 
       - name: Build Docker image
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: docker/proxy/Dockerfile