DDCORE-10024: fix pom version (#391)

Update version in pom.xml to 4.3.0

Author: ShineTear

pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>ru.kontur.diadoc</groupId>
     <artifactId>diadocsdk</artifactId>
-    <version>4.2.0</version>
+    <version>4.3.0</version>
 
     <packaging>jar</packaging>