Fix protocol handler retrieval thread CPU usage when no blocks are pr… #157

	name: Security audit
	on:
	push:
	branches: [main]
	paths:
	- '**/Cargo.toml'
	- '**/Cargo.lock'

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	security_audit:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- uses: actions-rs/audit-check@v1
	with:
	token: ${{ secrets.GITHUB_TOKEN }}

Provide feedback