Suggestion

We use a few "pure" (no repo JS/TS code) GitHub Actions / workflows for repo management:

• .github/workflows/a11y-alt-bot.yml: flags inaccessible alt text
• .github/workflows/semantic-pr-titles.yml: make sure PR titles are semantic using amann/action-semantic-pull-request

Both of these general areas of management are part of OctoGuide. OctoGuide also has a few more rules that flag other common points. I'd like to switch us over to OctoGuide so that we just have the one unified action for these things.

Additional Info

Blocked on a couple points:

• OctoGuide has a known performance paper cut that I'll want fixed before enabling it here: ⚡️ Performance: Reuse action event data JoshuaKGoldberg/OctoGuide#85
• semantic-pr-titles.yml includes with settings to specify allowlists of types and scopes. OctoGuide tracking issue: 🚀 Feature: [pr-title-conventional] Allow specifying allowed scopes and types JoshuaKGoldberg/OctoGuide#121

a11y-alt-bot.yml does not re-run on issue_comment edited events because netlify and nx bots frequently update comments. This isn't a blocker for enabling OctoGuide because we can keep that intentional omission. Just noting here. Also relevant for improving CI times: #11204

Disclaimer: I made OctoGuide (in part from having to set these things up manually here!). I asked internally if folks were ok with this and nobody said anything against it. But, you know, full disclaimer.

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