chore: Fix CI job syntax

Author: adambaumeister

.github/workflows/ci.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Install Ansible
         run: |
           python -m pip install --upgrade pip
-          pip install https://github.com/ansible/ansible/archive/stable-${{ matrix.ansible }}.tar.gz --disable-pip-version-check
+          pip install https://github.com/ansible/ansible/archive/stable-${{ matrix.ansible_version }}.tar.gz --disable-pip-version-check
           pip install ansible-lint
 
       - name: Install PAN-OS collection