Update docker/build-push-action digest to 88844b9

Author: renovate[bot]

.github/workflows/deploy.yml

@@ -47,7 +47,7 @@ jobs:
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
       - name: Build and push Docker image
-        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        uses: docker/build-push-action@88844b95d8cbbb41035fa9c94e5967a33b92db78
         with:
           context: .
           platforms: linux/amd64