[ToricVarieties] Introduce Chern classes of tangent bundle #16166

Job	Run time
test (1.6, short, ubuntu-latest)	1h 17m 42s
doctest (1.10, ubuntu-latest)	24m 39s
test (1.6, long, ubuntu-latest)	1h 3m 51s
test (1.10, short, ubuntu-latest)	1h 1m 3s
doctest (1.11-nightly, ubuntu-latest)	31m 0s
test (1.10, long, ubuntu-latest)	44m 43s
doctest (nightly, ubuntu-latest)	25m 20s
test (1.11-nightly, short, ubuntu-latest)	1h 4m 20s
doctest (1.10, ubuntu-latest, depwarn=error)	24m 30s
test (1.11-nightly, long, ubuntu-latest)	48m 5s
doctest (1.10, macOS, RPTU)	12m 5s
test (nightly, short, ubuntu-latest)	1h 9m 19s
test (nightly, long, ubuntu-latest)	54m 52s
test (1.10, short, ubuntu-latest, depwarn=error)	58m 35s
test (1.10, long, ubuntu-latest, depwarn=error)	45m 46s
test (1.10, short, macOS, RPTU)	11m 48s
test (1.10, long, macOS, RPTU)	12m 45s
test (1.10, book, ubuntu-latest)	57m 33s
	13h 7m 56s

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