fix(deps): use google-gax v3.5.2 (#207)

Author: alexander-fenster

packages/google-cloud-security-privateca/package.json

@@ -39,7 +39,7 @@
     "test": "c8 mocha build/test"
   },
   "dependencies": {
-    "google-gax": "^3.3.0"
+    "google-gax": "^3.5.2"
   },
   "devDependencies": {
     "@types/mocha": "^9.0.0",