[test] Reduce workers

Author: jamesgpearce

coverage.json

@@ -1 +1 @@
-{"tests":4684,"assertions":25352,"lines":{"total":2614,"covered":2600,"skipped":0,"pct":99.46},"statements":{"total":2840,"covered":2820,"skipped":0,"pct":99.29},"functions":{"total":1157,"covered":1137,"skipped":0,"pct":98.27},"branches":{"total":1008,"covered":1002,"skipped":0,"pct":99.4},"branchesTrue":{"total":0,"covered":0,"skipped":0,"pct":100}}
+{"tests":7741,"assertions":33099,"lines":{"total":2614,"covered":2613,"skipped":0,"pct":99.96},"statements":{"total":2840,"covered":2839,"skipped":0,"pct":99.96},"functions":{"total":1157,"covered":1156,"skipped":0,"pct":99.91},"branches":{"total":1008,"covered":1008,"skipped":0,"pct":100},"branchesTrue":{"total":0,"covered":0,"skipped":0,"pct":100}}

vitest.config.ts

@@ -14,7 +14,7 @@ export default defineConfig({
     setupFiles: ['test/vitest/setup.ts'],
     reporters: [['test/vitest/reporter.ts', {hideSkipped: true}]],
     slowTestThreshold: 3000,
-    maxWorkers: 10,
+    maxWorkers: 8,
     passWithNoTests: true,
     testTimeout: 20000,
     retry: 10,