docstrings changed for solve to match opty #438

Job	Run time
Build and run tests (ubuntu-latest, 3.9)	4m 21s
Build and run tests (ubuntu-latest, 3.10)	4m 20s
Build and run tests (ubuntu-latest, 3.11)	4m 29s
Build and run tests (ubuntu-latest, 3.12)	4m 53s
Build and run tests (ubuntu-latest, 3.13)	4m 49s
Build and run tests (macos-13, 3.9)	6m 4s
Build and run tests (macos-13, 3.10)	6m 53s
Build and run tests (macos-13, 3.11)	6m 35s
Build and run tests (macos-13, 3.12)	8m 40s
Build and run tests (macos-13, 3.13)	9m 5s
Build and run tests (macos-latest, 3.9)	3m 5s
Build and run tests (macos-latest, 3.10)	3m 30s
Build and run tests (macos-latest, 3.11)	3m 36s
Build and run tests (macos-latest, 3.12)	4m 6s
Build and run tests (macos-latest, 3.13)	4m 18s
Build and run tests (windows-latest, 3.9)	8m 53s
Build and run tests (windows-latest, 3.10)	9m 45s
Build and run tests (windows-latest, 3.11)	8m 58s
Build and run tests (windows-latest, 3.12)	8m 56s
Build and run tests (windows-latest, 3.13)	8m 54s
	2h 4m 10s

Provide feedback