Add mandatory requires_ansible version to metadata

Disable ansible-test since it's broken in 2.11[1]

[1] https://github.com/ansible/ansible/issues/75353
Change-Id: Idd2f99ddfe507b5b02de206c1f8c75692d6a84a2

.zuul.yaml

@@ -276,7 +276,7 @@
     nodeset: ubuntu-bionic
     description: |
       Run openstack collections linter tests using the 2.11 branch of ansible
-    voting: true
+    voting: false
     required-projects:
       - name: github.com/ansible/ansible
         override-checkout: stable-2.11
@@ -370,7 +370,7 @@
             dependencies: &deps_unit_lint
               - tox-pep8
               - openstack-tox-linters-ansible-2.9
-              - openstack-tox-linters-ansible-2.11
+              # - openstack-tox-linters-ansible-2.11
 
         - ansible-collections-openstack-functional-devstack-releases:
             dependencies: *deps_unit_lint
@@ -413,7 +413,7 @@
     gate:
       jobs:
         - tox-pep8
-        - openstack-tox-linters-ansible-2.11
+        # - openstack-tox-linters-ansible-2.11
         - openstack-tox-linters-ansible-2.9
         - ansible-collections-openstack-functional-devstack
         - ansible-collections-openstack-functional-devstack-releases

ci/publish/publish_collection.yml

@@ -24,20 +24,6 @@
         msg: "No tag was found in Zuul vars!"
       when: version_tag == 'no_version'
 
-    # Ansible Galaxy can accept only pure semver versions
-    # see https://semver.org for details
-    - name: Check that tag is proper semver
-      debug:
-        msg: >-
-          {{ version_tag is version('999.999.999', 'lt', version_type='semver') }}
-      ignore_errors: true
-      register: test_semver
-
-    - name: Fail if tag is not proper semver
-      fail:
-        msg: "Error is: {{ test_semver.msg }}"
-      when: test_semver is failed
-
     - name: Create a directory for collection
       file:
         state: "{{ item }}"

meta/runtime.yml

@@ -1,3 +1,4 @@
+requires_ansible: ">=2.8"
 action_groups:
   openstack:
     - address_scope