unset safe_sync=False for caches #131

Job	Run time
Documentation	1m 37s
Tests for downstream project Firedrake	15m 34s
Tests for downstream project arraycontext	2m 55s
Conda Examples	2m 9s
Tests for downstream project meshmode	11m 18s
Tests for downstream project grudge	10m 18s
Flake8	25s
Mypy	1m 31s
Pylint	1m 47s
Tests for downstream project pytential	49m 44s
Tests for downstream project pytato	5m 22s
Conda Pytest with Intel CL	3m 58s
Conda Pytest (ubuntu-latest)	3m 55s
Conda Pytest without arg check	3m 56s
Conda Pytest (macos-latest)	3m 37s
Conda Pytest Twice (for cache behavior)	5m 11s
Validate CITATION.cff	7s
	2h 3m 24s

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