Merge remote-tracking branch 'origin/integration-master' into integration-master

provider/indexer-gcp/pom.xml

provider/indexer-gcp/src/main/appengine/app.yaml

...va/org/opengroup/osdu/indexer/di/AppengineLogFactory.java

...oup/osdu/indexer/di/DatastoreCredentialsCacheFactory.java

...c/main/java/org/opengroup/osdu/indexer/kms/KmsClient.java

...engroup/osdu/indexer/persistence/DatastoreCredential.java

.../opengroup/osdu/indexer/persistence/DatastoreFactory.java

.../osdu/indexer/persistence/ElasticRepositoryDatastore.java

.../opengroup/osdu/indexer/util/ElasticClientHandlerGcp.java

...indexer-gcp/src/main/resources/application-dev.properties

...dexer-gcp/src/main/resources/application-kuber.properties

...xer-gcp/src/main/resources/application-testing.properties