chore(deps): update dependency @grpc/proto-loader to ^0.8.0

Author: renovate-bot

package.json

@@ -76,7 +76,7 @@
   },
   "devDependencies": {
     "@grpc/grpc-js": "^1.13.2",
-    "@grpc/proto-loader": "^0.7.13",
+    "@grpc/proto-loader": "^0.8.0",
     "@types/escape-string-regexp": "^2.0.3",
     "@types/extend": "^3.0.4",
     "@types/is": "^0.0.25",