GUACAMOLE-1794: Merge update of KSM SDK to 16.5.3.

doc/licenses/ksm-sdk-16.5.2/dep-coordinates.txt

@@ -1 +0,0 @@
-com.keepersecurity.secrets-manager:core:jar:16.5.2

doc/licenses/ksm-sdk-16.5.3/README

@@ -2,8 +2,8 @@ Keeper Secrets Manager Java SDK
 (https://github.com/Keeper-Security/secrets-manager)
 ----------------------------------------------------
 
-    Version: 16.5.2
+    Version: 16.5.3
     From: 'Keeper Security' (https://www.keepersecurity.com/)
     License(s):
-        MIT (bundled/ksm-sdk-16.5.2/LICENSE)
+        MIT (bundled/ksm-sdk-16.5.3/LICENSE)
 

doc/licenses/ksm-sdk-16.5.3/dep-coordinates.txt

@@ -0,0 +1 @@
+com.keepersecurity.secrets-manager:core:jar:16.5.3

extensions/guacamole-vault/modules/guacamole-vault-ksm/pom.xml

@@ -60,7 +60,7 @@
         <dependency>
             <groupId>com.keepersecurity.secrets-manager</groupId>
             <artifactId>core</artifactId>
-            <version>16.5.2</version>
+            <version>16.5.3</version>
 
             <!-- Correct version conflict (different versions across transitive
                 dependencies) -->