build: prepare Windows coverage GitHub Action for pummel tests

The pummel tests result in the Windows coverage runs in CI to exhaust
memory, so we need to bump up the heap size.

PR-URL: #34289
Reviewed-By: Richard Lau <rlau@redhat.com>

.github/workflows/coverage-windows.yml

@@ -44,6 +44,8 @@ jobs:
           NODE_V8_COVERAGE: ./coverage/tmp
       - name: Report
         run: npx c8 report
+        env:
+          NODE_OPTIONS: --max-old-space-size=8192
       - name: Clean tmp
         run: npx rimraf ./coverage/tmp
       - name: Upload