Merge branch 'service_account_accesstoken_generation' into 'master'

pom.xml

provider/notification-azure/README.md

provider/notification-azure/pom.xml

...engroup/osdu/notification/provider/azure/Application.java

...roup/osdu/notification/provider/azure/cache/JwtCache.java

...ion/provider/azure/di/ServiceAccountJwtClientFactory.java

.../notification/provider/azure/security/SecurityConfig.java

.../osdu/notification/provider/azure/util/AppProperties.java

...tification/provider/azure/util/AzureCosmosProperties.java

...fication/provider/azure/util/AzureKeyVaultProperties.java

...provider/azure/util/AzureServiceAccountValidatorImpl.java

...ication/provider/azure/util/GoogleServiceAccountImpl.java

...provider/azure/util/ServiceAccountJwtAzureClientImpl.java

...ation-azure/src/main/resources/application-dev.properties

...ion-azure/src/main/resources/application-local.properties

...ification-azure/src/main/resources/application.properties

.../osdu/notification/util/ServiceAccountClientImplTest.java

testing/notification-test-azure/pom.xml

...engroup/osdu/notification/api/TestPubsubEndpointHMAC.java

.../org/opengroup/osdu/notification/util/AzureTestUtils.java