fix(deps): update proto

Author: renovate[bot]

package.json

@@ -128,9 +128,9 @@
     "@bifravst/timestream-helpers": "6.1.0",
     "@hello.nrfcloud.com/certificate-helpers": "1.0.0",
     "@hello.nrfcloud.com/lambda-helpers": "2.1.10",
-    "@hello.nrfcloud.com/nrfcloud-api-helpers": "6.0.220",
-    "@hello.nrfcloud.com/proto": "15.4.12",
-    "@hello.nrfcloud.com/proto-map": "16.3.13",
+    "@hello.nrfcloud.com/nrfcloud-api-helpers": "6.0.228",
+    "@hello.nrfcloud.com/proto": "15.4.14",
+    "@hello.nrfcloud.com/proto-map": "16.3.15",
     "@middy/core": "6.1.6",
     "@middy/input-output-logger": "6.1.6",
     "@sinclair/typebox": "0.34.33",