ci: trigger verification run of hypatia-scan setup-beam pins

No-op comment to exercise the corrected elixir 1.18 / otp 27 pins in a
PR context and confirm the Hypatia dogfooding job is green.

https://claude.ai/code/session_01GTo7dz32ZgxuHXefv8BGqn

Author: claude

.github/workflows/hypatia-scan.yml

@@ -34,6 +34,7 @@ jobs:
           # the dogfooding job red estate-wide regardless of PR content.
           # Major/minor (loose) so patch availability cannot re-break it.
           # Bump deliberately to whatever Hypatia's scanner actually requires.
+          # (no-op touch to trigger a verification run of these pins)
           elixir-version: '1.18'
           otp-version: '27'