Add github actions CI and remove travis CI #7

	---
	name: Audit dependencies
	on:
	pull_request:
	paths:
	- .github/workflows/cargo-audit.yml
	- Cargo.toml
	- Cargo.lock
	schedule:
	# At 06:20 UTC every day. Will create an issue if a CVE is found.
	- cron: '20 6 * * *'
	workflow_dispatch:
	jobs:
	audit:
	runs-on: ubuntu-latest
	permissions:
	issues: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	# We don't need to check CVEs against the checked in lockfile,
	# but only against the newest compatible dependencies.
	# This avoids significant maintenance work that provide no benefits.
	# We only need to make sure there is any compatible dependency without a known issue
	- run: cargo update

	- uses: actions-rust-lang/audit@160ac8b6edd32f74656cabba9d1de3fc8339f676 # v1.2
	name: Audit Rust Dependencies
	with:
	denyWarnings: true
	# Ignored audit issues. This list should be kept short, and effort should be
	# put into removing items from the list.
	ignore:

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