Do not call TaskRunner for periodic stats updates

[Hor911]

Periodic stats updates were based on TaskRunner timings and include TaskRunner Run() call for updates, so caused extra (unwanted) program runs.

The PR removes this call and makes periodic stats less intrusive

[github-actions]

🟢 2025-05-08 10:02:24 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-05-08 10:03:00 UTC Pre-commit check linux-x86_64-release-asan for cb7c414 has started.
⚪ 2025-05-08 10:03:11 UTC Artifacts will be uploaded here
⚪ 2025-05-08 10:06:00 UTC ya make is running...
🟡 2025-05-08 11:33:46 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?
13040	12852	0	130	30	28

⚪ 2025-05-08 11:34:54 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-05-08 12:10:45 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?
1636 (only retried tests)	1490	0	74	48	24

⚪ 2025-05-08 12:11:03 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-05-08 12:43:03 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?
1238 (only retried tests)	1128	0	53	33	24

🟢 2025-05-08 12:43:17 UTC Build successful.
🟢 2025-05-08 12:43:48 UTC ydbd size 3.8 GiB changed* by -1.3 KiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: e4d3ee7	merge: cb7c414	diff	diff %
ydbd size	4 126 362 640 Bytes	4 126 361 312 Bytes	-1.3 KiB	-0.000%
ydbd stripped size	1 432 730 464 Bytes	1 432 729 824 Bytes	-640 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]

⚪ 2025-05-08 10:03:10 UTC Pre-commit check linux-x86_64-relwithdebinfo for cb7c414 has started.
⚪ 2025-05-08 10:03:21 UTC Artifacts will be uploaded here
⚪ 2025-05-08 10:06:09 UTC ya make is running...
🟡 2025-05-08 11:20:11 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?
28016	25329	0	4	2642	41

⚪ 2025-05-08 11:22:36 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-05-08 11:45:56 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
167 (only retried tests)	129	0	0	8	30

🟢 2025-05-08 11:46:02 UTC Build successful.
🟢 2025-05-08 11:46:22 UTC ydbd size 2.2 GiB changed* by -304 Bytes, which is <= 0 Bytes vs main: OK

ydbd size dash	main: e4d3ee7	merge: cb7c414	diff	diff %
ydbd size	2 346 283 080 Bytes	2 346 282 776 Bytes	-304 Bytes	-0.000%
ydbd stripped size	493 372 816 Bytes	493 372 752 Bytes	-64 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}