Update operator hashes (#448)

Author: jvpasinatto

sources/operator.1.21.0.psmdb-operator.json

@@ -129,8 +129,8 @@
         "operator": {
           "1.21.0": {
             "image_path": "percona/percona-server-mongodb-operator:1.21.0",
-            "image_hash": "af7606b2901039e1593ec6dec8b13a48cf50fcc321ab8d6eb2eb6433f49340ca",
-            "image_hash_arm64": "09a2ef90be5427c14ac37d71ba99750b5790646e2882d27f9066f720f1a3c3cd",
+            "image_hash": "791a27c0df745e1b3531b6bbdba0b4ff67c46a38df62c23bc3203bcf0563e4cb",
+            "image_hash_arm64": "56bec3f64f64497bc1468ec64dc5ca44a282da4c2666e1a9d0f96a00d329f88f",
             "status": "recommended",
             "critical": false
           }