Update playbooks_advanced_syntax.rst

[M15terHyde]

fixed YAML indentation

[ansible-documentation-bot[bot]]

Thanks for your Ansible docs contribution! We talk about Ansible documentation on matrix at #docs:ansible.im and on libera IRC at #ansible-docs if you ever want to join us and chat about the docs! We meet there on Tuesdays (see the Ansible calendar) and welcome additions to our weekly agenda items - scroll down to find the upcoming agenda and add a comment to put something new on that agenda.

[patchback[bot]]

Backport to stable-2.15: 💚 backport PR created

✅ Backport PR branch: patchback/backports/stable-2.15/eee765946244ef4fa2343b044fe1ee9e99a1bd16/pr-1562

Backported as https://github.com/ansible/ansible-documentation/pull/1563

🤖 @patchback I'm built with octomachinery and my source is open — https://github.com/sanitizers/patchback-github-app.

[patchback[bot]]

Backport to stable-2.16: 💚 backport PR created

✅ Backport PR branch: patchback/backports/stable-2.16/eee765946244ef4fa2343b044fe1ee9e99a1bd16/pr-1562

Backported as https://github.com/ansible/ansible-documentation/pull/1564

🤖 @patchback I'm built with octomachinery and my source is open — https://github.com/sanitizers/patchback-github-app.

[patchback[bot]]

Backport to stable-2.17: 💚 backport PR created

✅ Backport PR branch: patchback/backports/stable-2.17/eee765946244ef4fa2343b044fe1ee9e99a1bd16/pr-1562

Backported as https://github.com/ansible/ansible-documentation/pull/1565

🤖 @patchback I'm built with octomachinery and my source is open — https://github.com/sanitizers/patchback-github-app.