Tree: various speedups #3346

Job	Run time
Ruff	5s
Typos	6s
Pylint	1m 32s
Mypy	1m 28s
Documentation	1m 25s
Tests for downstream project Firedrake	18m 53s
Conda Examples	1m 46s
Tests for downstream project arraycontext	2m 53s
Conda Pytest with Intel CL	4m 3s
Tests for downstream project meshmode	9m 55s
Conda Pytest (ubuntu-latest)	3m 55s
Conda Pytest (macos-latest)	4m 8s
Conda Pytest without arg check	3m 48s
Tests for downstream project grudge	10m 38s
Conda Pytest Twice (for cache behavior)	5m 41s
Tests for downstream project pytential	53m 52s
Tests for downstream project pytato	6m 12s
Validate CITATION.cff	7s
	2h 10m 27s

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