Make greande-skip-level job voting on current master

Current master is SLURP release and greande-skip-level
job is mandatory to test. Making it voting job in all
integrated gate template.

Also, adding it in tempest gate.

Depends-On: https://review.opendev.org/c/openstack/grenade/+/896831
Change-Id: I2e5e2a89a1db5acd5946913614ab113d47bf8b5b
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index 469b659..03ae3a5 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -111,6 +111,8 @@
             irrelevant-files: *tempest-irrelevant-files
         - grenade:
             irrelevant-files: *tempest-irrelevant-files
+        - grenade-skip-level:
+            irrelevant-files: *tempest-irrelevant-files
         - neutron-ovs-tempest-dvr:
             voting: false
             irrelevant-files: *tempest-irrelevant-files
@@ -140,6 +142,8 @@
             irrelevant-files: *tempest-irrelevant-files
         - grenade:
             irrelevant-files: *tempest-irrelevant-files
+        - grenade-skip-level:
+            irrelevant-files: *tempest-irrelevant-files
         - tempest-ipv6-only:
             irrelevant-files: *tempest-irrelevant-files-3
         - tempest-multinode-full-py3: