Merge pull request #4 from Rodeapps/bench/customize-parallel-scaling #1

	name: Publish to crates.io

	# Publishes the crate when a version tag (v*) is pushed.
	# Auth uses crates.io Trusted Publishing (OIDC) — no long-lived token is
	# stored in GitHub. One-time setup on crates.io: add a Trusted Publisher for
	# this repository pointing at this workflow file (publish.yml).

	on:
	push:
	tags:
	- "v*"

	jobs:
	publish:
	runs-on: ubuntu-latest
	permissions:
	# Required for Trusted Publishing: the OIDC token exchange with crates.io.
	id-token: write
	contents: read
	steps:
	- uses: actions/checkout@v4

	- uses: dtolnay/rust-toolchain@stable

	- name: Verify tag matches Cargo.toml version
	run: \|
	TAG="${GITHUB_REF_NAME#v}"
	CRATE_VER="$(grep -m1 '^version' Cargo.toml \| sed -E 's/."(.)".*/\1/')"
	echo "tag=$TAG crate=$CRATE_VER"
	if [ "$TAG" != "$CRATE_VER" ]; then
	echo "::error::tag v$TAG does not match Cargo.toml version $CRATE_VER"
	exit 1
	fi

	- name: Authenticate to crates.io (Trusted Publishing)
	uses: rust-lang/crates-io-auth-action@v1
	id: auth

	- name: Publish
	run: cargo publish
	env:
	CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}

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