deps: update dependency org.apache.kafka:kafka-clients to v2.8.0 (#116)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [org.apache.kafka:kafka-clients](https://kafka.apache.org) | `2.7.0` -> `2.8.0` | [![age](https://badges.renovateapi.com/packages/maven/org.apache.kafka:kafka-clients/2.8.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/org.apache.kafka:kafka-clients/2.8.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/org.apache.kafka:kafka-clients/2.8.0/compatibility-slim/2.7.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/org.apache.kafka:kafka-clients/2.8.0/confidence-slim/2.7.0)](https://docs.renovatebot.com/merge-confidence/) |

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pom.xml

@@ -27,7 +27,7 @@
     <dependency>
       <groupId>org.apache.kafka</groupId>
       <artifactId>kafka-clients</artifactId>
-      <version>2.7.0</version>
+      <version>2.8.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api</groupId>

samples/snapshot/pom.xml

@@ -48,7 +48,7 @@
     <dependency>
       <groupId>org.apache.kafka</groupId>
       <artifactId>kafka-clients</artifactId>
-      <version>2.7.0</version>
+      <version>2.8.0</version>
     </dependency>
   <!-- {x-version-update-end} -->
 

samples/snippets/pom.xml

@@ -50,7 +50,7 @@
     <dependency>
       <groupId>org.apache.kafka</groupId>
       <artifactId>kafka-clients</artifactId>
-      <version>2.7.0</version>
+      <version>2.8.0</version>
     </dependency>
     <!-- [END pubsublite-kafka_java_dependencies] -->
     <!-- [END pubsublite-kafka_install_without_bom] -->