add api-report to build

Author: hsubox76

packages/rules-unit-testing/package.json

@@ -11,7 +11,7 @@
     "dist"
   ],
   "scripts": {
-    "build": "rollup -c",
+    "build": "rollup -c && yarn api-report",
     "build:deps": "lerna run --scope @firebase/rules-unit-testing --include-dependencies build",
     "dev": "rollup -c -w",
     "test:nyc": "TS_NODE_CACHE=NO TS_NODE_COMPILER_OPTIONS='{\"module\":\"commonjs\"}' nyc --reporter lcovonly -- mocha 'test/{,!(browser)/**/}*.test.ts' --config ./mocharc.node.js",