Start using elastic-observability-ci google cloud project for ci secrets

Author: fr4nc1sc0-r4m0n

.github/workflows/smoke-tests.yml

@@ -44,6 +44,9 @@ jobs:
           terraform_version: 1.2.3
       - uses: elastic/oblt-actions/aws/auth@v1
       - uses: elastic/oblt-actions/google/auth@v1
+        with:
+          project-id: 'elastic-observability-ci'
+          
       - uses: google-github-actions/get-secretmanager-secrets@bc9c54b29fdffb8a47776820a7d26e77b379d262 # v3.0.0
         with:
           export_to_environment: true