refactor ci.yml, bump MSRV to 1.75 #148

	name: ci
	env:
	MSRV: '1.75'
	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	check:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: taiki-e/install-action@protoc
	- uses: dtolnay/rust-toolchain@beta
	with:
	components: clippy, rustfmt
	- uses: Swatinem/rust-cache@v2
	- name: clippy
	run: cargo clippy --workspace --all-targets --all-features -- -D warnings
	- name: rustfmt
	run: cargo fmt --all --check
	check-docs:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- uses: Swatinem/rust-cache@v2
	- name: cargo doc
	env:
	RUSTDOCFLAGS: "-D rustdoc::all -A rustdoc::private-doc-tests"
	run: cargo doc --all-features --no-deps
	test-versions:
	needs: check
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust: [stable, beta, nightly]
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust }}
	- uses: Swatinem/rust-cache@v2
	- name: Build System Info
	run: rustc --version
	- name: Run tests default features
	run: cargo test
	- name: Run tests no features
	run: cargo test --no-default-features
	- name: Run tests all features
	run: cargo test --all-features
	test-msrv:
	needs: check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ env.MSRV }}
	- name: "install Rust nightly"
	uses: dtolnay/rust-toolchain@nightly
	- uses: Swatinem/rust-cache@v2
	- name: Select minimal version
	run: cargo +nightly update -Z minimal-versions
	- name: Run tests all features
	run: cargo test --all-features

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