ci: don't fail-fast on tag build (denoland#5189)

.github/workflows/ci.yml

@@ -29,8 +29,11 @@ jobs:
  # Always run master branch builds to completion. This allows the cache to
  # stay mostly up-to-date in situations where a single job fails due to
  # e.g. a flaky test.
+ # Don't fast-fail on tag build because publishing binaries shouldn't be
+ # prevented if 'cargo publish' fails (which can be a false negative).
  fail-fast:
- ${{ github.event_name != 'push' || github.ref != 'refs/heads/master' }}
+ ${{ github.event_name == 'pull_request' || (github.ref !=
+ 'refs/heads/master' && !startsWith(github.ref, 'refs/tags/')) }}
 
  env:
  CARGO_INCREMENTAL: 0