add aggregated statistics protos

[andrewstalin]

Changelog entry

Added protos for statistics aggregation.

Changelog category

• Not for changelog (changelog entry is not required)

Additional information

[github-actions]

⚪ 2024-07-16 10:07:35 UTC Pre-commit check for 2fdb3b4 has started.
⚪ 2024-07-16 10:10:49 UTC Build+Tests linux-x86_64-release-clang14 is running...
🟢 2024-07-16 10:28:33 UTC Build successful.

[github-actions]

⚪ 2024-07-16 13:55:49 UTC Pre-commit check for 2fdb3b4 has started.
⚪ 2024-07-16 13:58:39 UTC Build+Tests linux-x86_64-relwithdebinfo is running...
🟢 2024-07-16 15:54:36 UTC Build successful.
🔴 2024-07-16 16:02:12 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
39509	34263	0	9	5220	17

🟡 2024-07-16 16:02:55 UTC ydbd size 8.0 GiB changed* by +331.4 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: 457b2b4	merge: 2fdb3b4	diff	diff %
ydbd size	8 642 821 000 Bytes	8 643 160 320 Bytes	+331.4 KiB	+0.004%
ydbd stripped size	470 528 448 Bytes	470 550 528 Bytes	+21.6 KiB	+0.005%

^{*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]

⚪ 2024-07-16 10:39:47 UTC Pre-commit check for 2fdb3b4 has started.
⚪ 2024-07-16 10:42:48 UTC Build+Tests linux-x86_64-release-asan is running...
🟢 2024-07-16 13:06:11 UTC Build successful.
🔴 2024-07-16 13:09:01 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
10984	10390	0	88	326	180

🟡 2024-07-16 13:09:47 UTC ydbd size 5.2 GiB changed* by +223.2 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: 457b2b4	merge: 2fdb3b4	diff	diff %
ydbd size	5 548 952 816 Bytes	5 549 181 416 Bytes	+223.2 KiB	+0.004%
ydbd stripped size	1 194 957 904 Bytes	1 195 007 728 Bytes	+48.7 KiB	+0.004%

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