Bump docker/build-push-action from 6.15.0 to 6.18.0 (#82)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

action.yml

@@ -53,7 +53,7 @@ runs:
     - name: Set up Docker Buildx
       uses: docker/[email protected]
     - name: Build ESPHome image
-      uses: docker/build-push-action@v6.15.0
+      uses: docker/build-push-action@v6.18.0
       env:
         DOCKER_BUILD_SUMMARY: false
         DOCKER_BUILD_RECORD_UPLOAD: false