[Tech] Bump docker/build-push-action from 5 to 6

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5 to 6.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v5...v6)

---
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/cicd-app.yml

@@ -144,7 +144,7 @@ jobs:
             ${{ runner.os }}-single-buildx
 
       - name: Build image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           load: true

.github/workflows/cicd-database.yml

@@ -33,7 +33,7 @@ jobs:
             ${{ runner.os }}-single-buildx
 
       - name: Build image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           load: true

.github/workflows/cicd-datapipeline.yml

@@ -62,7 +62,7 @@ jobs:
             ${{ runner.os }}-single-buildx
 
       - name: Build image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           load: true