docs: yaml code blocks under Slack notification service doesn't render properly

[omBratteng]

Checklist:

• I've searched in the docs and FAQ for my answer: https://bit.ly/argocd-faq.
• I've included steps to reproduce the bug.
• I've pasted the output of argocd version.

Describe the bug

The YAML examples are rendered as inline code, rather than a code block

To Reproduce

See step 8-10 at https://argo-cd.readthedocs.io/en/stable/operator-manual/notifications/services/slack/

Expected behavior

The YAML examples are rendered as code blocks

Screenshots

Version

Both in stable and latest version of docs.

Logs

N/A only docs

[GalvinGao]

Was trying to fix the highlights in #10280 then I noticed such issue here. Any helps needed? I can file a new PR to pick up the fix if you'd like :D

[omBratteng]

There is a PR open to fix the latest broken section argoproj/notifications-engine#97

[GalvinGao]

I noticed that the indentation of the code block in Step 8 is invalid

Edit: also Step 9 & 10

Mind me contribute to your branch so you could also bring this fix to upstream? (or feel free to just fix this yourself if you got time)

[omBratteng]

I see that now. Sure, go ahead. I can cherry-pick the fix into the PR branch.

[omBratteng]

I have fixed the indentation, and put you as the author @GalvinGao, so you can get the credit for it.

[omBratteng]

Once it gets merged, I'll open a PR here to get the correct version of the go module

[GalvinGao]

I think we can close this now as #10311 is merged :D

[omBratteng]

Unsure if it is actually out. I see @crenshaw-dev added, and then removed, the cherry-pick label.
Unsure how the release process for this works. But last time I checked (some while ago), the fix wasn't properly out yet.

[omBratteng]

Never mind, just checked now. It's out on the stable version of the docs.

[pasha-codefresh]

Let close it @omBratteng ?

[omBratteng]

Should be closed now.