Bump vtr-verilog-to-routing from `876311a` to `6ce3706` #3640

	name: Cell Library Tests

	# Run CI on push, PR, and weekly.
	on:
	workflow_dispatch:
	pull_request:
	push:
	branches:
	- 'master'
	schedule:
	- cron: "0 0 * * 0 " # weekly

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

	# Multiple job to tests
	jobs:
	# Test the RTL compilation compatibility
	verilog:
	name: RTL compilation and tests
	runs-on: ubuntu-22.04
	steps:
	- name: Cancel previous
	uses: styfle/[email protected]
	with:
	access_token: ${{ github.token }}

	- name: Checkout OpenFPGA repo
	uses: actions/checkout@v3

	- name: Install Dependencies
	run: \|
	sudo bash .github/workflows/install_dependencies_run_ubuntu22p04.sh

	- name: Dump tool versions
	run: \|
	iverilog -V
	vvp -V

	- name: Verilog compilation
	run: \|
	cd openfpga_flow/openfpga_cell_library
	make compile_verilog

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