chore(deps): update dependency c8 to v9 (#330)

Author: renovate-bot

core/projectify/package.json

@@ -33,7 +33,7 @@
     "@compodoc/compodoc": "^1.1.11",
     "@types/mocha": "^9.0.0",
     "@types/node": "^20.4.9",
-    "c8": "^8.0.1",
+    "c8": "^9.0.0",
     "codecov": "^3.6.5",
     "gts": "^5.0.0",
     "linkinator": "^4.0.0",