add TaggedExpression #3281

Job	Run time
Typos	4s
Pylint	1m 37s
Documentation	1m 29s
Conda Examples	2m 5s
Tests for downstream project Firedrake	6m 24s
Mypy	1m 31s
Conda Pytest with Intel CL	4m 9s
Conda Pytest without arg check	4m 0s
Conda Pytest Twice (for cache behavior)	3m 52s
Ruff	8s
Conda Pytest (ubuntu-latest)	3m 52s
Validate CITATION.cff	8s
Conda Pytest (macos-latest)	4m 13s
Tests for downstream project arraycontext	2m 42s
Tests for downstream project meshmode	6m 31s
Tests for downstream project grudge	6m 32s
Tests for downstream project pytential	6m 31s
Tests for downstream project pytato	6m 19s
	1h 2m 7s

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