feat(builtins): add builtin `Truncate` #271

	# Inspired heavily by the libseccomp-rs CI script

	name: build-test
	on:
	push:
	workflow_dispatch:
	pull_request:
	jobs:
	validate:
	name: Format and Lint Check
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Install clippy
	run: rustup component add clippy
	# - name: Run cargo fmt
	# run: cargo fmt --all -- --check
	- name: Run cargo clippy
	run: make lint
	test:
	name: Unit Tests
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	target-triple: [x86_64-unknown-linux-gnu, x86_64-unknown-linux-musl]
	steps:
	- name: Install musl lib
	if: ${{ contains(matrix.target-triple, 'musl') }}
	run: sudo apt-get install musl-tools
	- name: Install target triple
	run: rustup target install ${{ matrix.target-triple }}
	- name: Checkout
	uses: actions/checkout@v4
	- name: Run tests
	run: make test-ci TARGET_TRIPLE=${{ matrix.target-triple }}

	doc:
	name: Documentation Check
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Generate documentation
	run: make doc

	coverage:
	name: Code Coverage
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Install Rust
	run: rustup toolchain install stable --component llvm-tools
	- name: Install cargo-llvm-cov
	uses: taiki-e/install-action@cargo-llvm-cov
	- name: Generate code coverage
	run: make coverage-ci
	- name: Upload coverage to coveralls
	uses: coverallsapp/github-action@master
	with:
	github-token: ${{ secrets.GITHUB_TOKEN }}
	path-to-lcov: lcov.info

Provide feedback