### CI Link

https://gradle-enterprise.elastic.co/s/ou2sap2dhy3q2/tests/:server:internalClusterTest/org.elasticsearch.snapshots.SharedClusterSnapshotRestoreIT/testDataFileFailureDuringSnapshot

### Repro line

./gradlew ':server:internalClusterTest' --tests "org.elasticsearch.snapshots.SharedClusterSnapshotRestoreIT.testDataFileFailureDuringSnapshot" -Dtests.seed=37B64CEE1DCEACEB -Dtests.locale=uk -Dtests.timezone=Africa/Lusaka -Druntime.java=17

### Does it reproduce?

Yes

### Applicable branches

main

### Failure history

_No response_

### Failure excerpt

```
java.lang.Exception: Test abandoned because suite timeout was reached. 
    at __randomizedtesting.SeedInfo.seed([37B64CEE1DCEACEB]:0)
```
server/src/main/java/org/elasticsearch/repositories/blobstore/BlobStoreRepository.java
final String blobName = INDEX_SHARD_SNAPSHOTS_FORMAT.blobName(String.valueOf(indexGeneration));
        writeAtomic(
            shardContainer,
            blobName,
            out -> INDEX_SHARD_SNAPSHOTS_FORMAT.serialize(updatedSnapshots, blobName, compress, serializationParams, out),
            true
        );
    }
    // 
    // 
    private static List<String> unusedBlobs(
        Set<String> blobs,
        Set<String> survivingSnapshotUUIDs,
        BlobStoreIndexShardSnapshots updatedSnapshots
    ) {
        return blobs.stream()
            .filter(
                blob -> blob.startsWith(SNAPSHOT_INDEX_PREFIX)
                    || (blob.startsWith(SNAPSHOT_PREFIX)
                        && blob.endsWith(".dat")
                        && survivingSnapshotUUIDs.contains(
                            blob.substring(SNAPSHOT_PREFIX.length(), blob.length() - ".dat".length())
                        ) == false)
                    || (blob.startsWith(UPLOADED_DATA_BLOB_PREFIX) && updatedSnapshots.findNameFile(canonicalName(blob)) == null)
                    || FsBlobContainer.isTempBlobName(blob)
            )
            .toList();
    }
    /**
     * Loads inmation about shard snapshot