[DPE-4769] Add hardware-observe support (#347)

New snap version 53 adds support for hugepages read on sysfs. This charm
bumps the snap version so we can start using it on the charm
deployments.

lib/charms/opensearch/v0/constants_charm.py

@@ -108,7 +108,7 @@
 KibanaserverRole = "kibana_server"
 
 # Opensearch Snap revision
-OPENSEARCH_SNAP_REVISION = 51  # Keep in sync with `workload_version` file
+OPENSEARCH_SNAP_REVISION = 53  # Keep in sync with `workload_version` file
 
 # User-face Backup ID format
 OPENSEARCH_BACKUP_ID_FORMAT = "%Y-%m-%dT%H:%M:%SZ"