Fix prettier glob for Windows

Author: Xanewok

package.json

@@ -45,7 +45,7 @@
         "watch": "tsc -watch -p ./",
         "lint": "eslint --ext ts src",
         "test": "node ./out/test/runTest.js",
-        "prettier": "prettier '**/*.ts'",
+        "prettier": "prettier \"**/*.ts\"",
         "check:version": "node cmd/check-version.js",
         "installDevExtension": "npm install && ./node_modules/.bin/vsce package -o ./out/rls-vscode-dev.vsix && code --install-extension ./out/rls-vscode-dev.vsix"
     },