Use latest platform SDK 3.5.5

Author: ivo liondov

approov-service/pom.xml

@@ -40,7 +40,7 @@
     <dependency>
         <groupId>io.approov</groupId>
         <artifactId>approov-android-sdk</artifactId>
-        <version>3.5.1</version>
+        <version>3.5.3</version>
         <scope>runtime</scope>
     </dependency>
 </dependencies>