upgrade(@google-cloud/storage): ^5.7.0

This is to upgrade the vulnerable `date-and-time` dependency. The latest version has the following breaking changes which are all okay:

- automatically detect contentType if not provided (googleapis/nodejs-storage#1190)
- drop keepAcl parameter in file copy (googleapis/nodejs-storage#1166)
- drop support for node.js 8.x
- allow leading slashes in file name (googleapis/nodejs-storage#820)
- upgrade engines field to >=8.10.0 (googleapis/nodejs-storage#688)

package.json

@@ -39,7 +39,7 @@
     "packages/vue"
   ],
   "devDependencies": {
-    "@google-cloud/storage": "^2.5.0",
+    "@google-cloud/storage": "5.7.0",
     "@size-limit/preset-small-lib": "^4.5.5",
     "@strictsoftware/typedoc-plugin-monorepo": "^0.3.1",
     "@types/chai": "^4.1.3",