Update library to use `rug` and `fast_paillier` #162

	name: Rust

	on:
	push:
	branches: [ "m" ]
	pull_request:
	branches: [ "*" ]

	env:
	CARGO_TERM_COLOR: always
	CARGO_NET_GIT_FETCH_WITH_CLI: true

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: Swatinem/rust-cache@v2
	with:
	cache-on-failure: "true"
	- uses: webfactory/[email protected]
	with:
	ssh-private-key: \|
	${{ secrets.GENERIC_EC_KEY }}
	${{ secrets.FAST_PAILLIER_KEY }}
	- name: Build with serde support
	run: cargo build --release --features serde
	- name: Build
	run: cargo build --release
	- name: Run tests
	run: cargo test --release --lib
	- name: Run doc tests
	run: echo "doc tests are TBD" && exit 1
	- name: Check formatting
	run: cargo fmt --all -- --check
	- name: Run clippy
	run: cargo clippy --all --lib -- --no-deps -D clippy::all -D clippy::unwrap_used -D clippy::expect_used
	- name: Run clippy tests
	run: cargo clippy --tests -- -D clippy::all

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