### 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
indexMetaIdentifiers = ConCollections.newConMap();
                indexMetas = ConCollections.newConMap();
            } else {
                indexMetas = null;
                indexMetaIdentifiers = null;
            }
            final ActionListener<Void> allMetaListener = new GroupedActionListener<>(ActionListener.wrap(v -> {
                final String slmPolicy = slmPolicy(snapshotInfo);
                final SnapshotDetails snapshotDetails = new SnapshotDetails(
                    snapshotInfo.state(),
                    Version.CURRENT,
                    snapshotInfo.startTime(),
                    snapshotInfo.endTime(),
                    slmPolicy
                );
                writeIndexGen(
                    ingRepositoryData.addSnapshot(snapshotId, snapshotDetails, shardGenerations, indexMetas, indexMetaIdentifiers),
                    repositoryStateId,
                    repositoryMetaVersion,
                    finalizeSnapshotContext::updatedClusterState,
                    ActionListener.wrap(newRepoData -> {
                        finalizeSnapshotContext.onResponse(newRepoData);
                        if (writeShardGens) {
                            cleanupOldShardGens(ingRepositoryData, newRepoData, finalizeSnapshotContext, snapshotInfo);
                        } else {
                            finalizeSnapshotContext.onDone(snapshotInfo);
                        }
                    }, onUpdateFailure)
                );
            }, onUpdateFailure), 2 + indices.size());