fix: gracefully terminate active sessions on shutdown #1025

Job	Run time
checks / readme-snippets	14s
checks / pre-commit	33s
checks / test (3.12, lowest-direct, windows-latest)	4m 25s
checks / test (3.10, lowest-direct, windows-latest)	2m 31s
checks / test (3.10, locked, windows-latest)	2m 19s
checks / test (3.11, lowest-direct, windows-latest)	2m 57s
checks / test (3.10, locked, ubuntu-latest)	50s
checks / test (3.12, lowest-direct, ubuntu-latest)	55s
checks / test (3.12, locked, windows-latest)	3m 0s
checks / test (3.11, lowest-direct, ubuntu-latest)	54s
checks / test (3.11, locked, windows-latest)	2m 45s
checks / test (3.12, locked, ubuntu-latest)	55s
checks / test (3.14, locked, ubuntu-latest)	2m 21s
checks / test (3.11, locked, ubuntu-latest)	46s
checks / test (3.14, lowest-direct, windows-latest)	2m 15s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 19s
checks / test (3.13, locked, windows-latest)	2m 18s
checks / test (3.14, locked, windows-latest)	3m 4s
checks / test (3.13, lowest-direct, ubuntu-latest)	55s
checks / test (3.13, locked, ubuntu-latest)	44s
checks / test (3.13, lowest-direct, windows-latest)	2m 26s
checks / test (3.10, lowest-direct, ubuntu-latest)	54s
all-green	5s
	39m 25s

Provide feedback