workflow: add dashboard playbook to ansible-lint

The dashboard.yml playbook was missing from the ansible-lint workflow.
Signed-off-by: Dimitri Savineau <dsavinea@redhat.com>

.github/workflows/ansible-lint.yml

@@ -11,7 +11,8 @@ jobs:
           python-version: '3.8'
           architecture: x64
       - run: pip install -r <(grep ansible tests/requirements.txt) ansible-lint==4.3.7 netaddr
-      - run: ansible-lint -x 106,204,205,208 -v --force-color ./roles/*/ ./infrastructure-playbooks/*.yml site-container.yml.sample site-container.yml.sample
+      - run: ansible-lint -x 106,204,205,208 -v --force-color ./roles/*/ ./infrastructure-playbooks/*.yml site-container.yml.sample site-container.yml.sample dashboard.yml
       - run: ansible-playbook -i ./tests/functional/all_daemons/hosts site.yml.sample --syntax-check --list-tasks -vv
       - run: ansible-playbook -i ./tests/functional/all_daemons/hosts site-container.yml.sample --syntax-check --list-tasks -vv
+      - run: ansible-playbook -i ./tests/functional/all_daemons/hosts dashboard.yml --syntax-check --list-tasks -vv
       - run: ansible-playbook -i ./tests/functional/all_daemons/hosts infrastructure-playbooks/*.yml --syntax-check --list-tasks -vv