fix(deps): update dependency google-gax to v5.0.3

Author: renovate-bot

package.json

@@ -76,7 +76,7 @@
     "events-intercept": "^2.0.0",
     "extend": "^3.0.2",
     "google-auth-library": "^10.0.0-rc.1",
-    "google-gax": "5.0.1",
+    "google-gax": "5.0.3",
     "grpc-gcp": "^1.0.1",
     "lodash.snakecase": "^4.1.1",
     "merge-stream": "^2.0.0",