fix(ci): make OSSF Scorecard caller valid (perms / drop timeout-minutes)

Reusable scorecard caller failed at startup: needed security-events+id-token
(reusable perms capped to caller grant) and/or an illegal timeout-minutes on the
uses: job. Verified with actionlint. Pin preserved.

Author: hyperpolymath

.github/workflows/scorecard.yml

@@ -24,4 +24,3 @@ jobs:
       contents: read
       security-events: write
       id-token: write
-    timeout-minutes: 15