chore(deps): delete apparently unused c8 dependency

Author: KonradHoeffner

package.json

@@ -29,16 +29,15 @@
 		"tippy.js": "^6.3.7"
 	},
 	"devDependencies": {
-		"c8": "^10.1.3",
 		"husky": "^9.1.7",
 		"lint-staged": "^16.2.5",
 		"prettier": "^3.6.2",
 		"typedoc": "^0.28.14",
 		"typedoc-plugin-merge-modules": "^7.0.0",
 		"typescript": "^5.9.3",
 		"vite": "^7.3.1",
-		"vitest": "^4.0.18",
-		"vite-plugin-oxlint": "2.0.1"
+		"vite-plugin-oxlint": "2.0.1",
+		"vitest": "^4.0.18"
 	},
 	"keywords": [
 		"graph",