Add `reuse()` to `Attribute` for field evolution #2070

Job	Run time
Build & verify package	21s
Check types using supported type checkers	18s
Verify dev env	12s
Run doctests & render changelog	15s
Tests on pypy-3.10	22s
Tests & Mypy on 3.12	1m 4s
Tests & Mypy on 3.10	1m 12s
Tests & Mypy on 3.11	1m 2s
Tests & Mypy on 3.14	1m 6s
Tests & Mypy on 3.13	1m 1s
Tests & Mypy on 3.9	40s
Combine & check coverage	11s
required-checks-pass	5s
	7m 49s

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