chore: upgrade to Confluent Platform 8.0

- Updated parent POM from [7.9.0, 7.9.1) to [8.0.0, 8.0.1) for CP 8.0 compatibility
- No connect-templates or connect-utils dependencies to upgrade (not used in this connector)
- No template files to verify (this connector doesn't use templates)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: kunalmnnit

.semaphore/semaphore.yml

@@ -24,7 +24,7 @@ global_job_config:
   prologue:
     commands:
       - checkout
-      - sem-version java 8
+      - sem-version java 17
       - . cache-maven restore
 
 blocks:

pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.confluent</groupId>
         <artifactId>common</artifactId>
-        <version>[7.9.0, 7.9.1)</version>
+        <version>[8.0.0, 8.0.1)</version>
     </parent>
 
     <artifactId>kafka-connect-elasticsearch</artifactId>
@@ -53,7 +53,7 @@
         <dependency.check.version>6.1.6</dependency.check.version>
         <confluent.maven.repo>http://packages.confluent.io/maven/</confluent.maven.repo>
         <commons.codec.version>1.15</commons.codec.version>
-        <confluent.version>[7.9.0,7.9.1)</confluent.version>
+        <confluent.version>[8.0.0,8.0.1)</confluent.version>
         <jackson.version>2.16.0</jackson.version>
         <dependency.check.skip>true</dependency.check.skip>
     </properties>
@@ -159,6 +159,11 @@
             <artifactId>junit-jupiter-api</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.junit.vintage</groupId>
+            <artifactId>junit-vintage-engine</artifactId>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.apache.kafka</groupId>
             <artifactId>connect-runtime</artifactId>
@@ -208,6 +213,12 @@
             <scope>test</scope>
             <version>${kafka.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.apache.kafka</groupId>
+            <artifactId>kafka-test-common-runtime</artifactId>
+            <version>${kafka.version}</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.testcontainers</groupId>
             <artifactId>elasticsearch</artifactId>
@@ -233,9 +244,9 @@
             <scope>test</scope>
         </dependency>
         <dependency>
-            <groupId>com.github.tomakehurst</groupId>
-            <artifactId>wiremock-jre8</artifactId>
-            <version>2.30.1</version>
+            <groupId>org.wiremock</groupId>
+            <artifactId>wiremock</artifactId>
+            <version>3.3.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>