bump curve25519-dalek to 4.0 #191

	name: CI

	on:
	workflow_dispatch:
	pull_request:
	push:
	branches:
	- main

	jobs:
	test_msrv:
	name: test on MSRV
	runs-on: ubuntu-latest
	steps:
	- uses: actions/[email protected]
	- uses: actions-rs/[email protected]
	with:
	# When toolchain is not specified, it uses rust-toolchain, which is the MSRV
	override: true
	- uses: actions-rs/[email protected]
	with:
	command: test
	args: --all-features

	test_nightly:
	name: test on nightly
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@master
	# Because we use nightly features for building docs,
	# using --all-features will fail without nightly toolchain.
	- uses: actions-rs/[email protected]
	with:
	toolchain: nightly
	override: true
	- uses: actions-rs/[email protected]
	with:
	command: test
	args: --all-features

	build_no_std:
	name: build with no_std
	runs-on: ubuntu-latest
	steps:
	- uses: actions/[email protected]
	- uses: actions-rs/[email protected]
	with:
	toolchain: stable
	override: true
	# This does not support std, so we use to test if no_std works
	target: thumbv6m-none-eabi
	- uses: actions-rs/[email protected]
	with:
	command: build
	# Disables std feature
	args: --no-default-features --target thumbv6m-none-eabi

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