Fix CI

Author: Changqing-JING

package.json

@@ -15,7 +15,7 @@
     "build": "node scripts/build_instrumentation.js -j 2 && tsc --build ./transform/tsconfig.json && tsc --build ./src/tsconfig.json",
     "test:as": "node bin/as-test.js",
     "test:ts": "cross-env NODE_OPTIONS=--experimental-vm-modules jest",
-    "test:cpp": "cmake -B build -S . && cmake --build build --parallel --target wasm-instrumentation-test wasm-opt && build/bin/wasm-instrumentation-test",
+    "test:cpp": "cmake -B build -S . && cmake --build build --parallel 2 --target wasm-instrumentation-test wasm-opt && build/bin/wasm-instrumentation-test",
     "test": "npm run test:as && npm run test:ts && npm run test:cpp",
     "lint:ts": "eslint src transform tests/ts/test --max-warnings=0",
     "lint:as": "npx eslint --config ./assembly/eslint.config.mjs assembly --max-warnings=0",