Add crc32 files to the backup globs for Cassandra

These files are used during pre-compaction (and other) sstable
validation. Their absence might cause performance issues during
the first post-restore compactions.

astacus/coordinator/plugins/cassandra/plugin.py

@@ -85,6 +85,7 @@ def get_backup_steps(self, *, context: OperationContext) -> List[Step]:
         snapshot_groups = [
             SnapshotGroup(root_glob=f"data/*/*/snapshots/{SNAPSHOT_NAME}/*.db"),
             SnapshotGroup(root_glob=f"data/*/*/snapshots/{SNAPSHOT_NAME}/*.txt"),
+            SnapshotGroup(root_glob=f"data/*/*/snapshots/{SNAPSHOT_NAME}/*.crc32"),
         ]
 
         return [
@@ -111,6 +112,7 @@ def get_delta_backup_steps(self, *, context: OperationContext) -> List[Step]:
         delta_snapshot_groups = [
             SnapshotGroup(root_glob="data/*/*/backups/*.db"),
             SnapshotGroup(root_glob="data/*/*/backups/*.txt"),
+            SnapshotGroup(root_glob="data/*/*/backups/*.crc32"),
         ]
 
         @dataclasses.dataclass