chore(deps): update docker/build-push-action action to v7.3.0

| datasource  | package                  | from   | to     |
| ----------- | ------------------------ | ------ | ------ |
| github-tags | docker/build-push-action | v7.0.0 | v7.3.0 |


Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

Author: renovate-sh-app[bot]

.github/workflows/deploy-preview.yml

@@ -320,7 +320,7 @@ jobs:
 
       - name: Build the container
         if: github.event.action == 'opened' || github.event.action == 'synchronize'
-        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7.0.0
+        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
         id: build
         with:
           context: .