build: set record provenance in response

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

.github/workflows/e2e.yml

@@ -82,6 +82,8 @@ jobs:
             driver-opt: qemu.install=true
           - driver: remote
             endpoint: tcp://localhost:1234
+          - driver: docker-container
+            metadata-provenance: max
         exclude:
           - driver: docker
             multi-node: mnode-true
@@ -129,6 +131,9 @@ jobs:
           else
             echo "MULTI_NODE=0" >> $GITHUB_ENV
           fi
+          if [ -n "${{ matrix.metadata-provenance }}" ]; then
+            echo "BUILDX_METADATA_PROVENANCE=${{ matrix.metadata-provenance }}" >> $GITHUB_ENV
+          fi
       -
         name: Install k3s
         if: matrix.driver == 'kubernetes'