fix leak in persqueue write session actor

[VPolka]

Changelog entry

Fixi memory leak in persqueue write session actor

Changelog category

• Bugfix

Description for reviewers

...

[github-actions]

🔴 2025-05-12 19:27:53 UTC The validation of the Pull Request description has failed. Please update the description.

Bugfix requires a linked issue in the changelog entry

[github-actions]

⚪ 2025-05-12 19:27:56 UTC Pre-commit check linux-x86_64-release-asan for bd2b16c has started.
⚪ 2025-05-12 19:28:25 UTC Artifacts will be uploaded here
⚪ 2025-05-12 19:32:00 UTC ya make is running...
🟡 2025-05-12 20:54:59 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
12681	12528	0	89	36	28

⚪ 2025-05-12 20:56:06 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-05-12 21:30:52 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
1295 (only retried tests)	1190	0	54	25	26

⚪ 2025-05-12 21:31:08 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-05-12 22:03:13 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Test history | Ya make output | Test bloat | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
1210 (only retried tests)	1102	0	49	34	25

🟢 2025-05-12 22:03:26 UTC Build successful.
🟢 2025-05-12 22:03:56 UTC ydbd size 3.9 GiB changed* by -12.8 KiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: c47a041	merge: bd2b16c	diff	diff %
ydbd size	4 137 918 024 Bytes	4 137 904 952 Bytes	-12.8 KiB	-0.000%
ydbd stripped size	1 435 911 136 Bytes	1 435 910 176 Bytes	-960 Bytes	-0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2025-05-12 19:27:58 UTC Pre-commit check linux-x86_64-relwithdebinfo for bd2b16c has started.
⚪ 2025-05-12 19:28:10 UTC Artifacts will be uploaded here
⚪ 2025-05-12 19:30:53 UTC ya make is running...
🟡 2025-05-12 20:45:36 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
20442	19071	0	8	1325	38

⚪ 2025-05-12 20:47:17 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-05-12 21:18:02 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
332 (only retried tests)	298	0	3	0	31

⚪ 2025-05-12 21:18:14 UTC ya make is running... (failed tests rerun, try 3)
🟢 2025-05-12 21:41:56 UTC Tests successful.

Test history | Ya make output | Test bloat | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
104 (only retried tests)	70	0	0	0	34

🟢 2025-05-12 21:42:02 UTC Build successful.
🟢 2025-05-12 21:42:30 UTC ydbd size 2.2 GiB changed* by -9.7 KiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: c47a041	merge: bd2b16c	diff	diff %
ydbd size	2 351 862 632 Bytes	2 351 852 680 Bytes	-9.7 KiB	-0.000%
ydbd stripped size	494 228 944 Bytes	494 228 624 Bytes	-320 Bytes	-0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}