Partition admin accounts for POST requests (GONRG-5892)

provider/partition-gcp/README.md

provider/partition-gcp/docs/anthos/README.md

provider/partition-gcp/docs/gcp/README.md

...artition/provider/gcp/config/PropertiesConfiguration.java

...ion/provider/gcp/security/AnthosAuthorizationService.java

...tition/provider/gcp/security/GcpAuthorizationService.java

...rtition-gcp/src/main/resources/application-gcp.properties

...r/partition-gcp/src/main/resources/application.properties

...on/provider/gcp/security/GcpAuthorizationServiceTest.java

...org/opengroup/osdu/partition/api/TestCreatePartition.java

...org/opengroup/osdu/partition/api/TestDeletePartition.java

...rg/opengroup/osdu/partition/api/TestGetPartitionById.java

.../org/opengroup/osdu/partition/api/TestListPartitions.java

...org/opengroup/osdu/partition/api/TestUpdatePartition.java