chore: Add GHA cache to Docker release build

Author: rahulbsw

.github/workflows/release.yml

@@ -189,6 +189,8 @@ jobs:
           platforms: linux/amd64,linux/arm64
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
 
   build-operator-image:
     name: Build and Push Operator Image