fix(deps): update proto

Author: renovate[bot]

package-lock.json

@@ -102,8 +102,8 @@
     "@hello.nrfcloud.com/certificate-helpers": "1.0.0",
     "@hello.nrfcloud.com/lambda-helpers": "1.0.2",
     "@hello.nrfcloud.com/nrfcloud-api-helpers": "2.0.0",
-    "@hello.nrfcloud.com/proto": "6.6.1",
-    "@hello.nrfcloud.com/proto-map": "5.3.1",
+    "@hello.nrfcloud.com/proto": "6.6.2",
+    "@hello.nrfcloud.com/proto-map": "5.3.2",
     "@middy/core": "5.3.2",
     "@nordicsemiconductor/from-env": "3.0.1",
     "@nordicsemiconductor/random-words": "8.0.1",