chore: 0.2.0 release bump

PiperOrigin-RevId: 777737313

Author: shukladivyansh

contrib/langchain4j/pom.xml

@@ -21,7 +21,8 @@
     <parent>
         <groupId>com.google.adk</groupId>
         <artifactId>google-adk-parent</artifactId>
-        <version>0.1.1-SNAPSHOT</version><!-- {x-version-update:google-adk:current} -->
+        <version>0.2.0</version><!-- {x-version-update:google-adk:current} -->
+        <relativePath>../../pom.xml</relativePath>
     </parent>
 
     <artifactId>google-adk-contrib-langchain4j</artifactId>

core/pom.xml

@@ -22,7 +22,7 @@
   <parent>
     <groupId>com.google.adk</groupId>
     <artifactId>google-adk-parent</artifactId>
-    <version>0.1.1-SNAPSHOT</version><!-- {x-version-update:google-adk:current} -->
+    <version>0.2.0</version><!-- {x-version-update:google-adk:current} -->
   </parent>
 
   <artifactId>google-adk</artifactId>

dev/pom.xml

@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.google.adk</groupId>
     <artifactId>google-adk-parent</artifactId>
-    <version>0.1.1-SNAPSHOT</version><!-- {x-version-update:google-adk:current} -->
+    <version>0.2.0</version><!-- {x-version-update:google-adk:current} -->
   </parent>
 
   <artifactId>google-adk-dev</artifactId>
@@ -54,7 +54,7 @@
     <dependency>
       <groupId>com.google.adk</groupId>
       <artifactId>google-adk</artifactId>
-      <version>0.1.1-SNAPSHOT</version><!-- {x-version-update:google-adk:current} -->
+      <version>0.2.0</version><!-- {x-version-update:google-adk:current} -->
     </dependency>
     <dependency>
       <groupId>org.springframework.boot</groupId>

pom.xml

@@ -19,11 +19,12 @@
 
   <groupId>com.google.adk</groupId>
   <artifactId>google-adk-parent</artifactId>
-  <version>0.1.1-SNAPSHOT</version><!-- {x-version-update:google-adk:current} -->
+  <version>0.2.0</version><!-- {x-version-update:google-adk:current} -->
   <packaging>pom</packaging>
 
   <name>Google Agent Development Kit Maven Parent POM</name>
   <url>https://github.com/google/adk-java</url>
+  <description>Google Agent Development Kit (ADK) for Java</description>
 
   <modules>
     <module>core</module>