add a `webpki-roots` feature to optionally use WebPKI roots on rustls #2

	# When pushed to main, run `cargo +nightly fmt` against all files and open a PR.
	name: rustfmt
	on:
	push:
	# Limit to `main` because this action creates a PR
	branches:
	- main
	paths:
	- '**.rs'
	- '**.yml'

	jobs:
	rustfmt_nightly:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout sources
	uses: actions/checkout@v4

	- name: Install nightly toolchain with rustfmt available
	uses: actions-rs/toolchain@v1
	with:
	toolchain: nightly
	override: true
	components: rustfmt

	- run: rustfmt +nightly --edition 2018 $(find . -type f -iname *.rs)

	- name: Create Pull Request
	uses: peter-evans/create-pull-request@v7
	with:
	commit-message: rustfmt
	signoff: true
	title: rustfmt
	body: \|
	Changes from `rustfmt +nightly --edition 2018 $(find . -type f -iname *.rs)`.
	branch: rustfmt
	# Delete branch when merged
	delete-branch: true

Provide feedback