chore: fix source config format

.common-repo.yaml

@@ -1,11 +1,4 @@
-# Source-level common-repo config.
+# Source-level config: only expose src/ contents, renamed to root.
-# Only files under src/ are distributed to consumers.
+- include: ["src/**", "src/.*", "src/.github/**"]
-# The rename strips the src/ prefix so they land at the repo root.
-- include:
-    patterns:
-      - "src/**"
-      - "src/.*"
-      - "src/.github/**"
 - rename:
-    - from: "^src/(.*)$"
+    - "^src/(.+)$": "$1"
-      to: "$1"