fix: e2e test status reporting incorrectly (#2045)

Fixes #2044

Infra PR deephaven/infra#301

You can see the e2e-results job failed on my 2nd commit to this PR. It
should fail if any of the matrix jobs fail or are cancelled.

.github/workflows/e2e.yml

@@ -121,3 +121,12 @@ jobs:
  name: playwright-report
  path: playwright-report
  retention-days: 30
+
+ e2e-results:
+ if: ${{ always() }}
+ runs-on: ubuntu-22.04
+ needs: [e2e-tests]
+ steps:
+ - name: Fail if any tests failed or cancelled
+ run: exit 1
+ if: ${{ contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') }}