Merge pull request #2387 from a-crate/cit-periodics-split

Address issues with cit-periodics

prow/prowjobs/GoogleCloudPlatform/gcp-guest/gcp-guest-config.yaml

@@ -579,7 +579,7 @@ periodics:
       - "-project=gcp-guest"
       - "-zone=us-central1-b"
 # Please keep this field ordered by version order (eg 7 -> 8 -> 9). Arch should go (amd64 -> arm64).
-      - "-images=projects/rhel-cloud/global/images/family/rhel-8,projects/rhel-cloud/global/images/family/rhel-9,projects/rhel-cloud/global/images/family/rhel-9-arm64,"
+      - "-images=projects/rhel-cloud/global/images/family/rhel-8,projects/rhel-cloud/global/images/family/rhel-9,projects/rhel-cloud/global/images/family/rhel-9-arm64"
       - "-test_projects=compute-image-test-pool-002,compute-image-test-pool-003,compute-image-test-pool-004,compute-image-test-pool-005"
       - "-filter=^(cvm|livemigrate|suspendresume|loadbalancer|guestagent|hostnamevalidation|imageboot|licensevalidation|network|security|hotattach|lssd|disk|packagevalidation|ssh|metadata|sql|vmspec)$"
       - "-set_exit_status=false"
@@ -719,7 +719,7 @@ periodics:
       command:
       - "/manager"
       args:
-      - "-parallel_count=5"
+      - "-parallel_count=10"
       - "-project=gcp-guest"
       - "-zone=us-central1-b"
 # Please keep this field ordered by Server OS then client and order by OS version release within those families.