ci: Add locked-in tool; fix violations #2

	name: locked-in
	on:
	pull_request:
	push:
	branches:
	- main

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	permissions:
	contents: read

	jobs:
	locked-in:
	runs-on: ubuntu-latest
	env:
	LOCKED_IN_COMMIT: 7978ff8e3717a30c18352ab1eb687e5f8210a5ac # v0.3.1
	steps:
	- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
	with:
	persist-credentials: false
	- name: Install locked-in from pinned source
	run: cargo install --locked --git https://github.com/asymmetric-research/locked-in --rev "$LOCKED_IN_COMMIT" locked-in
	- name: Run locked-in
	run: locked-in

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