chore(deps): update dependency @grpc/proto-loader to ^0.8.0 (#2072)

Author: renovate-bot

package.json

@@ -65,7 +65,7 @@
     "p-defer": "^3.0.0"
   },
   "devDependencies": {
-    "@grpc/proto-loader": "^0.7.13",
+    "@grpc/proto-loader": "^0.8.0",
     "@opentelemetry/sdk-trace-base": "^1.17.0",
     "@types/duplexify": "^3.6.4",
     "@types/extend": "^3.0.4",