Use recommended workflow

https://github.com/marketplace/actions/ansible-lint

.github/workflows/main.yml

@@ -1,18 +1,26 @@
-name: Lint
+name: Ansible Lint
 
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
+on: [push, pull_request]
 
 jobs:
-  lint:
+  build:
 
     runs-on: ubuntu-latest
 
     steps:
-    - uses: ansible/ansible-lint-action@master
-      name: Lint
+    # Important: This sets up your GITHUB_WORKSPACE environment variable
+    - uses: actions/checkout@v2
+
+    - name: Lint Ansible Playbook
+      # replace "master" with any valid ref
+      uses: ansible/ansible-lint-action@master
       with:
-        ACTION_PLAYBOOK_NAME: "wordpress-nginx/site.yml"
+        # [required]
+        # Paths to ansible files (i.e., playbooks, tasks, handlers etc..)
+        # or valid Ansible directories according to the Ansible role
+        # directory structure.
+        # If you want to lint multiple ansible files, use the following syntax
+        # targets: |
+        #   playbook_1.yml
+        #   playbook_2.yml
+        targets: "wordpress-nginx/site.yml"