chore(deps): update dependency c8 to v8 (#10153)

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

Author: renovate[bot]

packages/adapter-node/package.json

@@ -36,7 +36,7 @@
 		"@polka/url": "^1.0.0-next.21",
 		"@sveltejs/kit": "workspace:^",
 		"@types/node": "^16.18.6",
-		"c8": "^7.13.0",
+		"c8": "^8.0.0",
 		"polka": "^1.0.0-next.22",
 		"rimraf": "^5.0.0",
 		"sirv": "^2.0.3",