Mute ydb/core/blobstorage/ut_blobstorage BlobPatching.PatchBlock42 (#7115)

Author: maximyurchuk

.github/config/muted_ya.txt

@@ -1,5 +1,6 @@
 ydb/core/blobstorage/dsproxy/ut TBlobStorageProxySequenceTest.TestBlock42PutWithChangingSlowDisk
 ydb/core/blobstorage/dsproxy/ut_fat TBlobStorageProxyTest.TestBatchedPutRequestDoesNotContainAHugeBlob
+ydb/core/blobstorage/ut_blobstorage BlobPatching.PatchBlock42
 ydb/core/client/ut TClientTest.PromoteFollower
 ydb/core/client/ut TClientTest.ReadFromFollower
 ydb/core/client/ut TFlatTest.AutoSplitMergeQueue