Provide option in attrs.define to allow users to exclude parameters set to default value from `repr` #971

Job	Run time
Build docs & run doctests	21s
Check types using pyright	14s
Verify dev env (ubuntu-latest)	31s
Tests & Mypy on 3.7	44s
Verify dev env (windows-latest)	54s
Tests & Mypy on 3.8	49s
Tests & Mypy on 3.9	51s
Tests & Mypy on 3.10	59s
Tests & Mypy on 3.11	45s
Tests & Mypy on 3.12	1m 11s
Tests & Mypy on 3.13	42s
Tests & Mypy on pypy-3.8	52s
Tests & Mypy on pypy-3.9	44s
Tests & Mypy on pypy-3.10	52s
Combine & check coverage.	13s
required-checks-pass	2s
	10m 44s

Provide feedback