Set version of rp-pico in dev-deps to not conflict with rp2040-hal #9

	on: [push, pull_request]
	name: Build and Test check
	jobs:
	builds:
	name: Build checks
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	mode: ["", "--release"]
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	target: thumbv6m-none-eabi
	override: true
	profile: minimal
	- name: Build workspace
	uses: actions-rs/cargo@v1
	with:
	command: build
	args: ${{ matrix.mode }} --workspace
	- name: Build workspace and examples
	uses: actions-rs/cargo@v1
	with:
	command: build
	args: ${{ matrix.mode }} --workspace --examples
	- name: List built examples and clean
	run: rm -vrf target/thumbv6m-none-eabi//examples/ \| sed -e "s/removed '$.*$'/\1/" \| xargs -l basename \| grep -Ev '(-\|\.d)'
	- name: Test
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --tests --target x86_64-unknown-linux-gnu
	- name: Test docs
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --doc --target x86_64-unknown-linux-gnu
	- name: Clean
	uses: actions-rs/cargo@v1
	with:
	command: clean
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: nightly
	target: thumbv6m-none-eabi
	override: true
	profile: minimal
	- name: Check unused deps
	uses: aig787/cargo-udeps-action@v1
	with:
	version: latest
	args: ${{ matrix.mode }} --workspace

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