chore: rename `heartbeats` to `heartbeat` #761

	name: Rust merge checks
	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	check:
	name: Checks
	runs-on: ubuntu-latest
	steps:
	- name: Checkout sources
	uses: actions/checkout@v4

	- name: Install nightly rust toolchain
	uses: dtolnay/rust-toolchain@nightly
	with:
	components: rustfmt

	- name: Cargo fmt
	run: cargo +nightly fmt --all -- --check

	- name: Install stable rust toolchain
	uses: dtolnay/[email protected]
	with:
	components: clippy

	- name: Cargo check
	run: cargo check

	- name: Cargo test
	run: cargo test

	- name: Cargo clippy
	run: cargo clippy -- -D warnings

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