add AWS::KMS::Key to stateful resource list (#2751)

* add AWS::KMS::Key to stateful resource list

---------

Co-authored-by: Kevin DeJong <[email protected]>

Author: weshuai

src/cfnlint/data/AdditionalSpecs/StatefulResources.json

@@ -14,6 +14,7 @@
   "AWS::ElastiCache::ReplicationGroup": {},
   "AWS::Elasticsearch::Domain": {},
   "AWS::FSx::FileSystem": {},
+  "AWS::KMS::Key": {},
   "AWS::Logs::LogGroup": {},
   "AWS::Neptune::DBCluster": {},
   "AWS::Neptune::DBInstance": {},