upgrade to latest version 0.13.0 (#50)

* update version to 0.13.0

Author: rajadilipkolli

docs/snippets/_springwolf_groovy.md

@@ -1,7 +1,7 @@
 dependencies {
     // Provides the documentation API
-    implementation 'io.github.springwolf:springwolf-kafka:0.12.0'
+    implementation 'io.github.springwolf:springwolf-kafka:0.13.0'
 
     // Provides the UI - optional (recommended)
-    runtimeOnly 'io.github.springwolf:springwolf-ui:0.8.0'
+    runtimeOnly 'io.github.springwolf:springwolf-ui:0.13.0'
 }

docs/snippets/_springwolf_maven.md

@@ -3,12 +3,12 @@
     <dependency>
         <groupId>io.github.springwolf</groupId>
         <artifactId>springwolf-kafka</artifactId>
-        <version>0.12.0</version>
+        <version>0.13.0</version>
     </dependency>
     <!-- Provides the UI - optional (recommended) -->
     <dependency>
         <groupId>io.github.springwolf</groupId>
         <artifactId>springwolf-ui</artifactId>
-        <version>0.8.0</version>
+        <version>0.13.0</version>
     </dependency>
 </dependencies>