thanos: bump to v0.22.0

Signed-off-by: Arunprasad Rajkumar <[email protected]>

Author: arajkumar

jsonnet/versions.json

@@ -8,5 +8,5 @@
   "prometheusOperator": "0.49.0",
   "promLabelProxy": "0.3.0",
   "kubeRbacProxy": "0.9.0",
-  "thanos": "0.20.2"
+  "thanos": "0.22.0"
 }