### CI Link

https://gradle-enterprise.elastic.co/s/2wbpgc72g2qsm/tests/:server:internalClusterTest/org.elasticsearch.snapshots.SnapshotStressTestsIT/testRandomActivities?top-execution=1

### Repro line

./gradlew ':server:internalClusterTest' --tests "org.elasticsearch.snapshots.SnapshotStressTestsIT.testRandomActivities" -Dtests.seed=7FD24A23B626E47 -Dtests.locale=sq-AL -Dtests.timezone=Asia/Khandyga -Druntime.java=20

### Does it reproduce?

No

### Applicable branches

8.8

### Failure history

https://gradle-enterprise.elastic.co/scans/tests?search.startTimeMax=1689083199013&search.startTimeMin=1688418000000&search.timeZoneId=Europe/Bucharest&tests.container=org.elasticsearch.snapshots.SnapshotStressTestsIT&tests.test=testRandomActivities

### Failure excerpt

```
java.lang.AssertionError: java.lang.AssertionError: java.lang.NullPointerException: Cannot invoke "org.elasticsearch.cluster.SnapshotsInProgress$Entry.failure()" because "entry" is null
	at __randomizedtesting.SeedInfo.seed([7FD24A23B626E47]:0)
	at org.elasticsearch.snapshots.SnapshotsService.finalizeSnapshotEntry(SnapshotsService.java:1460)
	at org.elasticsearch.snapshots.SnapshotsService.runNextQueuedOperation(SnapshotsService.java:1548)
	at org.elasticsearch.snapshots.SnapshotsService.lambda$finalizeSnapshotEntry$28(SnapshotsService.java:1441)
	at org.elasticsearch.action.ActionListener$2.onResponse(ActionListener.java:158)
	at org.elasticsearch.repositories.FinalizeSnapshotContext.onResponse(FinalizeSnapshotContext.java:117)
	at org.elasticsearch.repositories.blobstore.BlobStoreRepository.lambda$finalizeSnapshot$41(BlobStoreRepository.java:1390)
	at org.elasticsearch.action.ActionListener$2.onResponse(ActionListener.java:158)
	at org.elasticsearch.action.ActionRunnable$2.accept(ActionRunnable.java:50)
	at org.elasticsearch.action.ActionRunnable$2.accept(ActionRunnable.java:47)
	at org.elasticsearch.action.ActionRunnable$3.doRun(ActionRunnable.java:72)
	at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:983)
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:26)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.base/java.lang.Thread.run(Thread.java:1623)
Caused by: java.lang.AssertionError: java.lang.NullPointerException: Cannot invoke "org.elasticsearch.cluster.SnapshotsInProgress$Entry.failure()" because "entry" is null
	... 15 more
Caused by: java.lang.NullPointerException: Cannot invoke "org.elasticsearch.cluster.SnapshotsInProgress$Entry.failure()" because "entry" is null
	at org.elasticsearch.snapshots.SnapshotsService.finalizeSnapshotEntry(SnapshotsService.java:1324)
	... 14 more
```
server/src/main/java/org/elasticsearch/repositories/blobstore/BlobStoreRepository.java
}, listener::onFailure));
        final Executor executor = threadPool.executor(ThreadPool.Names.SNAPSHOT);
        final List<String> staleRootBlobs = staleRootBlobs(newRepoData, rootBlobs.keySet());
        if (staleRootBlobs.isEmpty()) {
            groupedListener.onResponse(DeleteResult.ZERO);
        } else {
            executor.execute(ActionRunnable.supply(groupedListener, () -> {
                List<String> deletedBlobs = cleanupStaleRootFiles(newRepoData.getGenId() - 1, deletedSnapshots, staleRootBlobs);
                return new DeleteResult(deletedBlobs.size(), deletedBlobs.stream().mapToLong(name -> rootBlobs.get(name).length()).sum());
            }));
        }
        final Set<String> survivingIndexIds = newRepoData.getIndices().values().stream().map(IndexId::getId).collect(Collectors.toSet());
        if (foundIndices.keySet().equals(survivingIndexIds)) {
            groupedListener.onResponse(DeleteResult.ZERO);
        } else {
            executor.execute(ActionRunnable.supply(groupedListener, () -> cleanupStaleIndices(foundIndices, survivingIndexIds)));
        }
    }
    /**
     * Runs cleanup actions on the repository. Increments the repository state id by one bee executing any modifications on the
     * repository.
     * TODO: Add shard level cleanups
     * TODO: Add unreferenced index metadata cleanup
     * <ul>
     *     <li>Deleting stale indices {@link #cleanupStaleIndices}</li>
     *     <li>Deleting unreferenced root level blobs {@link #cleanupStaleRootFiles}</li>
     * </ul>
     * @param repositoryStateId     Current repository state id
     * @param repositoryMetaVersion version of the updated repository metadata to write
     * @param listener              Listener to complete when done