[Infra] Rotate ServiceAccount.json secret used by RC integration tests (#9680)

* Rotate service account secret

* [will revert] kick off ci

* [skip ci] Revert "[will revert] kick off ci"

This reverts commit 91b9369.

* [skip ci] Review

Author: ncooke3

.github/workflows/remoteconfig.yml

@@ -8,6 +8,7 @@ on:
     - '.github/workflows/remoteconfig.yml'
     - 'Gemfile*'
     - 'scripts/generate_access_token.sh'
+    - 'scripts/gha-encrypted/RemoteConfigSwiftAPI/**'
   schedule:
     # Run every day at 12am (PST) - cron uses UTC times
     - cron:  '0 8 * * *'