[proto] update protocol version 28 #39

	name: ci

	# ref. https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions
	on:
	push:
	branches:
	- main
	tags:
	- "*"
	pull_request:

	permissions:
	contents: write

	jobs:
	unit:
	name: lint
	runs-on: ubuntu-latest
	steps:
	- name: Remove unnecessary files
	run: \|
	sudo rm -rf /usr/share/dotnet
	sudo rm -rf "$AGENT_TOOLSDIRECTORY"
	- name: Install linker
	run: \|
	sudo apt-get update
	sudo apt-get install -y --no-install-recommends \
	gcc-multilib
	- name: Install Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	profile: minimal
	components: rustfmt, clippy
	override: true
	- name: Check Rust version
	run: rustc --version
	# or use "abelfodil/protoc-action@v1"
	# ref. https://github.com/hyperium/tonic/issues/1047#issuecomment-1222508191
	- name: Install protoc
	uses: arduino/setup-protoc@v1
	with:
	version: "3.x"
	repo-token: ${{ secrets.GITHUB_TOKEN }}
	- name: Checkout
	uses: actions/checkout@v3
	- name: Run static analysis tests
	shell: bash
	run: scripts/tests.lint.sh

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