ci(lock-threads): fix yaml syntax

[jbergstroem]

The current syntax for the lock threads job is incorrect. This PR addresses it.

Also, add actionlint to check job syntax as part of the PR workflow.
Finally, format syntax as suggested by actionlint.

Refs: #441

[privatenumber]

Was there anything actually broken that this fixes?

[jbergstroem]

Was there anything actually broken that this fixes?

yes, the thread job is broken: https://github.com/privatenumber/tsx/actions/workflows/lock-threads.yml

Actionlint output:

$ actionlint .github/workflows/lock-threads.yml
.github/workflows/lock-threads.yml:9:3: "steps" section is missing in job "lock" [syntax-check]
  |
9 |   lock:
  |   ^~~~~
.github/workflows/lock-threads.yml:18:9: "steps" section must be sequence node but got mapping node with "!!map" tag [syntax-check]
   |
18 |         uses: dessant/lock-threads@v5
   |         ^~~~~

Edit: can rip out the actionlint job if you want.

[privatenumber]

Gotcha! It looks like I accidentally broke it by removing the - in the last commit, after confirming it to work: https://github.com/privatenumber/tsx/pull/441/files

I appreciate the pull request, but I'm thinking adding another workflow just to check my workflows might be a bit much since it spawns a whole OS just to validate YAML files. Would you mind removing the actionlint part and any changes that aren't related to fixing the issue?

I'll look into linting YAML files using ESLint.

[jbergstroem]

Gotcha! It looks like I accidentally broke it by removing the - in the last commit, after confirming it to work: #441 (files)

I appreciate the pull request, but I'm thinking adding another workflow just to check my workflows might be a bit much since it spawns a whole OS just to validate YAML files. Would you mind removing the actionlint part and any changes that aren't related to fixing the issue?

I'll look into linting YAML files using ESLint.

All good; reverted to minimal changes.

[privatenumber]

🎉 This issue has been resolved in v4.7.0

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