chore(deps): bump docker/build-push-action from 2 to 6 (#42)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 2 to 6.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v2...v6)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  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/ci-docker.yml

@@ -25,7 +25,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-${{ runner.arch }}-buildx-
       - name: build
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: false
@@ -55,7 +55,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-${{ runner.arch }}-buildx-
       - name: build
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: false

.github/workflows/publish.yml

@@ -56,7 +56,7 @@ jobs:
           echo "const version = \"${{ steps.meta.outputs.version }}\";" > client/src/version.ts
           echo "export default version;" >> client/src/version.ts
       - name: push
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: true
@@ -125,7 +125,7 @@ jobs:
           echo "const version = \"${{ steps.meta.outputs.version }}\";" > client/src/version.ts
           echo "export default version;" >> client/src/version.ts
       - name: push
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: true