Permissions for @turbot/gcp-spanner

Taking a look at permissions and associated grant levels for each permission for Spanner:

PermissionGrant LevelHelp
monitoring.timeSeries.listMetadata
resourcemanager.projects.getMetadata
spanner.databaseOperations.cancelAdmin
spanner.databaseOperations.getMetadata
spanner.databaseOperations.listMetadata
spanner.databases.beginOrRollbackReadWriteTransactionAdmin
spanner.databases.beginReadOnlyTransactionAdmin
spanner.databases.createAdmin
spanner.databases.dropAdmin
spanner.databases.getMetadata
spanner.databases.getDdlMetadata
spanner.databases.getIamPolicyMetadata
spanner.databases.listMetadata
spanner.databases.readMetadata
spanner.databases.selectOperator
spanner.databases.setIamPolicyAdmin
spanner.databases.updateDdlAdmin
spanner.databases.writeAdmin
spanner.instanceConfigs.getMetadata
spanner.instanceConfigs.listMetadata
spanner.instanceOperations.cancelAdmin
spanner.instanceOperations.deleteAdmin
spanner.instanceOperations.getMetadata
spanner.instanceOperations.listMetadata
spanner.instances.createAdmin
spanner.instances.deleteAdmin
spanner.instances.getMetadata
spanner.instances.getIamPolicyMetadata
spanner.instances.listMetadata
spanner.instances.setIamPolicyAdmin
spanner.instances.updateAdmin
spanner.sessions.createAdmin
spanner.sessions.deleteAdmin
spanner.sessions.getMetadata
spanner.sessions.listMetadata