chore: update Java SDK version to 1.26.0 (#88)

After successful deployment to Maven Central registry.
Tag: java/v1.26.0

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java/pom.xml

@@ -7,7 +7,7 @@
 
     <groupId>co.meshtrade.api</groupId>
     <artifactId>api</artifactId>
-    <version>1.24.0</version>
+    <version>1.26.0</version>
     <packaging>jar</packaging>
 
     <name>Meshtrade API Java SDK</name>