chore: ignore vendir lock file from lint (#740)

Co-authored-by: okozachenko1203 <okozachenko1203@users.noreply.github.com>
diff --git a/.ansible-lint b/.ansible-lint
index 7600462..b2dde88 100644
--- a/.ansible-lint
+++ b/.ansible-lint
@@ -7,6 +7,7 @@
   - playbooks
   - roles/defaults/vars/main.yml
   - roles/kube_prometheus_stack/files/jsonnet
+  - vendir.lock.yml
 
 warn_list:
   - jinja[invalid]