fix grammar in healthcheck messages

[vporyadke]

Changelog entry

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[github-actions]

⚪ 2024-09-06 06:58:06 UTC Pre-commit check linux-x86_64-release-clang14 for 5fc2811 has started.
⚪ 2024-09-06 07:00:55 UTC ya make is running...
🟢 2024-09-06 07:06:35 UTC Build successful.

[github-actions]

⚪ 2024-09-06 06:58:15 UTC Pre-commit check linux-x86_64-release-asan for 5fc2811 has started.
⚪ 2024-09-06 07:01:05 UTC ya make is running...
🔴 2024-09-06 08:36:01 UTC Some tests failed, follow the links below.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
10088	10001	0	28	30	29

🟢 2024-09-06 08:36:55 UTC Build successful.
🟢 2024-09-06 08:37:27 UTC ydbd size 5.6 GiB changed* by -1.3 KiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 96dfeb9	merge: 5fc2811	diff	diff %
ydbd size	6 028 890 824 Bytes	6 028 889 528 Bytes	-1.3 KiB	-0.000%
ydbd stripped size	1 509 641 648 Bytes	1 509 641 328 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}

[github-actions]

⚪ 2024-09-06 06:58:15 UTC Pre-commit check linux-x86_64-relwithdebinfo for 5fc2811 has started.
⚪ 2024-09-06 07:01:01 UTC ya make is running...
🟡 2024-09-06 08:04:00 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
14704	13295	0	15	1370	24

⚪ 2024-09-06 08:05:14 UTC ya make is running... (failed tests rerun, try 2)
🟡 2024-09-06 08:16:11 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
53 (only retried tests)	30	0	5	0	18

⚪ 2024-09-06 08:16:20 UTC ya make is running... (failed tests rerun, try 3)
🟢 2024-09-06 08:24:03 UTC Tests successful.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
28 (only retried tests)	10	0	0	0	18

🟢 2024-09-06 08:24:10 UTC Build successful.
🟢 2024-09-06 08:25:10 UTC ydbd size 8.4 GiB changed* by -1.2 KiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 96dfeb9	merge: 5fc2811	diff	diff %
ydbd size	9 013 250 248 Bytes	9 013 249 032 Bytes	-1.2 KiB	-0.000%
ydbd stripped size	487 283 208 Bytes	487 283 016 Bytes	-192 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}