Add support for POE_GIT_DIR and POE_GIT_ROOT variables in config #1191

Job	Run time
Check coding standards	36s
Run tests (Ubuntu, 3.8)	1m 50s
Run tests (Ubuntu, 3.9)	1m 48s
Run tests (Ubuntu, 3.10)	1m 43s
Run tests (Ubuntu, 3.11)	1m 37s
Run tests (Ubuntu, 3.12)	1m 59s
Run tests (MacOS, 3.8)	1m 58s
Run tests (MacOS, 3.9)	1m 18s
Run tests (MacOS, 3.10)	1m 19s
Run tests (MacOS, 3.11)	1m 22s
Run tests (MacOS, 3.12)	1m 23s
Run tests (Windows, 3.9)	2m 57s
Run tests (Windows, 3.10)	3m 15s
Run tests (Windows, 3.11)	3m 15s
Run tests (Windows, 3.12)	2m 58s
Build distribution	15s
Upload release to PyPI	0s
Sign the Python 🐍 distribution 📦 with Sigstore and upload them to GitHub Release	0s
Upload homebrew formula	0s
	29m 33s

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