V43 Canonical Promotion: Calibrate demonstration proof bound

Raises the V43 promotion validation bound for the full protocol-demonstration proof suite so it remains exhaustive while staying fail-closed and inspectable in GitHub Actions.

Author: geraldarthurdavis

.bitcode/v43-promotion-readiness-report.json

@@ -238,7 +238,7 @@
     {
       "relativePath": ".github/workflows/v43-canon-promotion.yml",
       "present": true,
-      "digest": "sha256:d5ba6ba2a57641227266c1b9103efba97afbb2e0fef0475c1b09571b5011bee4",
+      "digest": "sha256:b58071d9a8578a0ec4436152658b79cfd155022464dd01bf1f2360111d8d7988",
       "requiredTokens": [
         {
           "token": "head.ref == 'version/v43'",

.github/workflows/v43-canon-promotion.yml

@@ -101,7 +101,7 @@ jobs:
           run_bounded 5m pnpm --filter @bitcode/protocol test
           run_bounded 5m pnpm --filter @bitcode/btd typecheck
           run_bounded 5m pnpm --filter @bitcode/btd exec jest --config jest.config.cjs --runInBand --forceExit
-          run_bounded 5m npm --prefix protocol-demonstration test
+          run_bounded 15m npm --prefix protocol-demonstration test
           run_bounded 5m npm --prefix protocol-demonstration run test:v28-mvp-qa
           run_bounded 5m pnpm --filter @bitcode/pipeline-asset-pack typecheck
           run_bounded 5m pnpm --filter @bitcode/pipeline-hosts typecheck