Mute ydb/core/tablet_flat/ut_large 2 tests in main

[ydbot]

Mute:
ydb/core/tablet_flat/ut_large/unittest.sole chunk
ydb/core/tablet_flat/ut_large/TFlatTableLongTxLarge.LargeDeltaChain

Branch:
main

Add line to muted_ya.txt:

ydb/core/tablet_flat/ut_large unittest.sole chunk
ydb/core/tablet_flat/ut_large TFlatTableLongTxLarge.LargeDeltaChain

Owner: TEAM:@ydb-platform/datashard

Read more in mute_rules.md

Summary history:
unittest.sole chunk: Flaky last 4 days, at 2025-11-07:2025-11-10: success_rate 93.1%, p-67, f-5, m-0, s-0, total-72
TFlatTableLongTxLarge.LargeDeltaChain: Flaky last 1 days, at 2025-11-07:2025-11-10: success_rate 93.1%, p-67, f-5, m-0, s-0, total-72

Test run history: link

More info in dashboard

[ydbot]

All tests have been unmuted:

• Test ydb/core/tablet_flat/ut_large/TFlatTableLongTxLarge.LargeDeltaChain
• Test ydb/core/tablet_flat/ut_large/unittest.sole chunk