Some more earlier failures with the same issue (all in Windows builds):
https://gradle-enterprise.elastic.co/s/ic3vf76vlpiho
https://gradle-enterprise.elastic.co/s/7nsuvadgg5bbm
https://gradle-enterprise.elastic.co/s/7kcrezoswrgdg

**Build scan:**
https://gradle-enterprise.elastic.co/s/whgmtqrtovpgu/tests/:server:internalClusterTest/org.elasticsearch.reservedstate.service.FileSettingsServiceIT/testErrorSaved

**Reproduction line:**
`gradlew ':server:internalClusterTest' --tests "org.elasticsearch.reservedstate.service.FileSettingsServiceIT.testErrorSaved" -Dtests.seed=762F971779043BEB -Dtests.locale=es-BO -Dtests.timezone=Africa/Luanda -Druntime.java=18`

**Applicable branches:**
main

**Reproduces locally?:**
Didn't try

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.reservedstate.service.FileSettingsServiceIT&tests.test=testErrorSaved

**Failure excerpt:**
```
org.elasticsearch.cluster.metadata.ProcessClusterEventTimeoutException: failed to process cluster event (delete_repository [*]) within 30s

  at __randomizedtesting.SeedInfo.seed([762F971779043BEB:C5DE1806AEE40E21]:0)
  at org.elasticsearch.cluster.service.MasterService$Batcher.lambda$onTimeout$1(MasterService.java:165)
  at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:825)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
  at java.lang.Thread.run(Thread.java:833)

```
server/src/main/java/org/elasticsearch/reservedstate/service/FileSettingsService.java
private void refreshExistingFileStateIfNeeded(ClusterState clusterState) {
        if (watching()) {
            ReservedStateMetadata fileSettingsMetadata = clusterState.metadata().reservedStateMetadata().get(NAMESPACE);
            
            
            if (fileSettingsMetadata != null && fileSettingsMetadata.version() == 0L && Files.exists(operatorSettingsFile())) {
                try {
                    Files.setLastModifiedTime(operatorSettingsFile(), FileTime.from(Instant.now()));
                } catch (IOException e) {
                    logger.warn("encountered I/O error trying to update file settings timestamp", e);
                }
            }
        }
    }
    public boolean watching() {
        return this.watchService != null;
    }
    private void cleanupWatchKeys() {
        if (settingsDirWatchKey != null) {
            settingsDirWatchKey.cancel();
            settingsDirWatchKey = null;
        }
        if (configDirWatchKey != null) {
            configDirWatchKey.cancel();
            configDirWatchKey = null;
        }
    }
    synchronized void startWatcher(ClusterState clusterState, boolean onStartup) {
        if (watching() || active == false) {
            refreshExistingFileStateIfNeeded(clusterState);