[token22] Avoid the use of `extend_from_slice` when appending instructions #5064

	name: Feature Proposal Pull Request

	on:
	pull_request:
	paths:
	- 'feature-proposal/**'
	- 'token/**'
	- 'ci/*-version.sh'
	- '!token/js/**'
	push:
	branches: [master]
	paths:
	- 'feature-proposal/**'
	- 'token/**'
	- 'ci/*-version.sh'
	- '!token/js/**'

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	cargo-test-sbf:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set env vars
	run: \|
	source ci/rust-version.sh
	echo "RUST_STABLE=$rust_stable" >> $GITHUB_ENV
	source ci/solana-version.sh
	echo "SOLANA_VERSION=$solana_version" >> $GITHUB_ENV

	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ env.RUST_STABLE }}

	- uses: actions/cache@v4
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	key: cargo-build-${{ hashFiles('**/Cargo.lock') }}-${{ env.RUST_STABLE}}

	- uses: actions/cache@v4
	with:
	path: \|
	~/.cargo/bin/rustfilt
	key: cargo-sbf-bins-${{ runner.os }}

	- uses: actions/cache@v4
	with:
	path: ~/.cache/solana
	key: solana-${{ env.SOLANA_VERSION }}

	- name: Install dependencies
	run: \|
	./ci/install-build-deps.sh
	./ci/install-program-deps.sh
	echo "$HOME/.local/share/solana/install/active_release/bin" >> $GITHUB_PATH

	- name: Build and test
	run: ./ci/cargo-test-sbf.sh feature-proposal

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