chore: upgrade to cache-loader v3

It's not a breaking change for Vue CLI as all our cache configs are
generated by `api.genCacheConfig` so never used the default
`cacheDirectory`.

packages/@vue/cli-service/package.json

@@ -35,7 +35,7 @@
     "address": "^1.0.3",
     "autoprefixer": "^9.5.1",
     "browserslist": "^4.5.4",
-    "cache-loader": "^2.0.1",
+    "cache-loader": "^3.0.0",
     "case-sensitive-paths-webpack-plugin": "^2.2.0",
     "chalk": "^2.4.2",
     "cli-highlight": "^2.1.0",