fix(ci): switch to permissionless reusable workflow

Author: hyperpolymath

.github/workflows/secret-scanner.yml

@@ -15,12 +15,8 @@ permissions:
 
 jobs:
   scan:
-    # The reusable's gitleaks job requests pull-requests: write (PR summary
-    # comment) and actions: read (workflow-run metadata) at job level; the
     # caller must grant at least that or the run startup-fails.
     permissions:
       contents: read
-      pull-requests: write
-      actions: read
-    uses: hyperpolymath/standards/.github/workflows/secret-scanner-reusable.yml@d135b05bfc647d0c0fbfedc7e80f37ea50f49236 # main 2026-05-28 (SPDX bump #249 + pragma/.shell-secrets-ignore fix #236)
+    uses: hyperpolymath/standards/.github/workflows/secret-scanner-reusable.yml@db12a6ad3ef9076d5f7bdcf98d7d15cf8547555a # main 2026-05-28 (SPDX bump #249 + pragma/.shell-secrets-ignore fix #236)
     secrets: inherit