Cache Docker layers (#211)

Author: tchapi

.github/workflows/main.yml

@@ -55,7 +55,7 @@ jobs:
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
         with:
-          version: v0.12.0
+          version: latest
         env:
           BUILDX_NO_DEFAULT_ATTESTATIONS: 1
       -
@@ -77,6 +77,8 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           annotations: ${{ steps.meta.outputs.annotations }}
           outputs: type=image,name=${{ env.REGISTRY }}/${{ env.ACCOUNT }}/${{ matrix.image }},push-by-digest=true,name-canonical=true,push=true
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
       -
         name: Export digest
         run: |
@@ -119,7 +121,7 @@ jobs:
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
         with:
-          version: v0.12.0
+          version: latest
         env:
           BUILDX_NO_DEFAULT_ATTESTATIONS: 1
       -