ci: re-pin governance reusable to standards HEAD d7c2271 (hypatia#464)

Author: hyperpolymath

.github/workflows/governance.yml

@@ -34,4 +34,4 @@ jobs:
     # matches the sibling repos' pin (e.g. ochrance-framework). Bump
     # deliberately, never float: an unpinned reusable workflow is an
     # unpinned trust boundary. mirror.yml / scorecard.yml already pin.
-    uses: hyperpolymath/standards/.github/workflows/governance-reusable.yml@d135b05bfc647d0c0fbfedc7e80f37ea50f49236
+    uses: hyperpolymath/standards/.github/workflows/governance-reusable.yml@d7c22711e830e1f383846472f6e9b99debdb201e