chore(deps): update dependency c8 to v8 (#187)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -127,7 +127,7 @@
   },
   "devDependencies": {
     "@volar/vue-language-core": "^1.6.5",
-    "c8": "^7.14.0",
+    "c8": "^8.0.0",
     "chalk": "^5.3.0",
     "conventional-changelog-cli": "^2.2.2",
     "enquirer": "^2.3.6",