Integrated remoting 2.53.2

This is the logical consequence of what we agreed in the CERT meeting
today, given that the 2.53.2 is public.

pom.xml

@@ -180,7 +180,7 @@ THE SOFTWARE.
       <dependency>
         <groupId>org.jenkins-ci.main</groupId>
         <artifactId>remoting</artifactId>
-        <version>2.53.1</version>
+        <version>2.53.2</version>
       </dependency>
 
       <dependency>