Mute some flaky tests (#1031)

Author: CyberROFL

.github/config/muted_ya.txt

@@ -1,3 +1,4 @@
+ydb/core/blobstorage/dsproxy/ut TBlobStorageProxySequenceTest.TestBlock42PutWithChangingSlowDisk
 ydb/core/blobstorage/pdisk/ut TSectorMap.*
 ydb/core/blobstorage/ut_blobstorage CostMetricsGetBlock4Plus2.TestGet4Plus2BlockRequests10000Inflight1BlobSize1000
 ydb/core/blobstorage/ut_blobstorage Defragmentation.DoesItWork
@@ -17,13 +18,15 @@ ydb/core/tx/columnshard/ut_schema TColumnShardTestSchema.ForgetAfterFail
 ydb/core/tx/columnshard/ut_schema TColumnShardTestSchema.RebootForgetAfterFail
 ydb/core/tx/columnshard/engines/ut *
 ydb/core/tx/coordinator/ut Coordinator.RestoreTenantConfiguration
+ydb/core/tx/schemeshard/ut_split_merge TSchemeShardSplitBySizeTest.Merge1KShards
 ydb/library/yql/providers/generic/connector/tests test.py.test_select_positive_postgresql*
 ydb/library/yql/sql/pg/ut PgSqlParsingAutoparam.AutoParamValues_DifferentTypes
 ydb/library/yql/tests/sql/dq_file/part16 test.py.test[expr-as_dict_list_key-default.txt-Analyze]
 ydb/library/yql/tests/sql/dq_file/part18 test.py.test[expr-cast_type_bind-default.txt-Analyze]
 ydb/public/sdk/cpp/client/ydb_topic/ut BasicUsage.WriteRead
 ydb/services/persqueue_v1/ut TPersQueueTest.DirectRead*
-ydb/services/ydb/sdk_sessions_pool_ut YdbSdkSessionsPool.StressTestSync10
+ydb/services/persqueue_v1/ut [3/10]*
+ydb/services/ydb/sdk_sessions_pool_ut YdbSdkSessionsPool.StressTestSync*
 ydb/services/ydb/table_split_ut YdbTableSplit.SplitByLoadWithReadsMultipleSplitsWithData
 ydb/services/ydb/ut YdbOlapStore.LogPagingAfter-NotNull
 ydb/tests/fq/s3 *
@@ -37,6 +40,7 @@ ydb/tests/functional/postgresql test_postgres.py.TestPostgresSuite.test_postgres
 ydb/tests/functional/restarts test_restarts.py.*
 ydb/tests/functional/sqs/cloud test_yandex_cloud_mode.py.TestSqsYandexCloudMode.test_dlq_mechanics_in_cloud*
 ydb/tests/functional/sqs/cloud test_yandex_cloud_queue_counters.py.TestYmqQueueCounters.test_purge_queue_counters
+ydb/tests/functional/sqs/common test_queue_counters.py.TestSqsGettingCounters.test_purge_queue_counters
 ydb/tests/functional/tenants test_dynamic_tenants.py.*
 ydb/tests/functional/tenants test_storage_config.py.TestStorageConfig.*
 ydb/tests/functional/tenants test_tenants.py.*