FIX/CI: switch docs deploy to dedicated gh actions #1060

Job	Run time
Linting (Ruff)	56s
Test readme renders on PyPi	22s
Tests on 3.9 (Minimum Versions)	13m 23s
Test import order (isort)	41s
Tests on 3.9	12m 52s
Tests on 3.10	12m 54s
Tests on 3.11	12m 11s
Tests on 3.12	16m 12s
Test Docs / Build Documentation	2m 56s
Test Docs / Deploy Documentation	0s
	1h 12m 27s

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