Allow actionlint to run shellcheck on run blocks

[det]

actionlint will run shellcheck on run blocks as long as it is in path.

[trunk-io[bot]]

⏱️ 27m total CI duration on this PR

Job	Total Duration	Recent Runs
Linter Tests (macos-latest)	8m	🟥 ⬜ 🟩
CodeQL-Build	6m	🟩 🟩 🟩
Linter Tests (ubuntu-latest)	5m	🟥 🟩 🟩
Windows Linter Tests	5m	🟥 🟥 🟥
Repo Tests / Plugin Tests	2m	🟩 🟩 🟩
Detect changed files	22s	🟩 🟩 🟩
Aggregate Test Results	6s	🟥 🟥 🟥 🟩

🚨 2 jobs on the last run were significantly faster/slower than expected

Job	Duration	vs 7d avg	Delta
Windows Linter Tests	2m	3m
Linter Tests (macos-latest)	3m	34m

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[TylerJang27]

Blocked by https://linear.app/trunk/issue/TRUNK-8916/on-upgrade-should-enable-tools-that-are-missing-versions

[EliSchleifer]

@det - Is this landable now? Looks like blockers have landed

[det]

@det - Is this landable now? Looks like blockers have landed

Needs 1.17.0 which is releasing now.