Put back in chown.

task/buildkit-rootless-daemonless/0.1/buildkit-rootless-daemonless.yaml

@@ -69,6 +69,18 @@ spec:
     - name: metadata-out
       emptyDir: {}
   steps:
+    - name: setup-cache-ownership
+      image: $(params.BUILDER_IMAGE)
+      workingDir: "$(workspaces.source.path)"
+      script: |
+        #!/usr/bin/env sh
+        set -euo pipefail
+        chown 1000:1000 /home/user/.local/share/buildkit
+        chmod 0777 /home/user/.local/share/buildkit
+      securityContext:
+        # runAsNonRoot: false
+        runAsUser: 0
+        runAsGroup: 0
     - name: write-config
       image: $(params.BUILDER_IMAGE)
       workingDir: "$(workspaces.source.path)"