add GHA to convert CDL <-> NC #2

	name: Check NC <->C DL

	on:
	pull_request:
	push:
	branches: [main]

	jobs:
	run:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	- name: Setup Micromamba Python
	uses: mamba-org/setup-micromamba@v1
	with:
	environment-name: GHA
	init-shell: bash
	create-args: >-
	python=3 netcdf4 --channel conda-forge

	- name: Convert NC files to CDL and back
	shell: bash -l {0}
	run: \|
	python convert_nc_cdl.py

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