Fix most errors spotted by ruff #1029

	# Roughly based off of https://mozilla.github.io/cargo-vet/configuring-ci.html

	name: cargo vet

	on: [push, pull_request]

	jobs:
	cargo-vet:
	name: Vet Dependencies
	runs-on: ubuntu-latest
	# Keep version in sync with rust-toolchain.toml
	container: rust:1.78.0
	env:
	CARGO_VET_VERSION: 0.9.0
	steps:
	- uses: actions/checkout@v4
	- uses: actions/cache@v4
	id: cache-vet
	with:
	path: /usr/local/cargo/bin/cargo-vet
	key: cargo-vet-${{ env.CARGO_VET_VERSION }}
	- name: Install the cargo-vet binary, if needed
	if: ${{ steps.cache-vet.outputs.cache-hit != 'true' }}
	run: cargo install --version ${{ env.CARGO_VET_VERSION }} cargo-vet
	- name: Invoke cargo-vet
	run: cargo vet --locked

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