Bump org.apache.kafka:kafka-clients from 3.7.0 to 3.8.0 in /start

Bumps org.apache.kafka:kafka-clients from 3.7.0 to 3.8.0.

---
updated-dependencies:
- dependency-name: org.apache.kafka:kafka-clients
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

start/inventory/pom.xml

@@ -57,7 +57,7 @@
         <dependency>
             <groupId>org.apache.kafka</groupId>
             <artifactId>kafka-clients</artifactId>
-            <version>3.7.0</version>
+            <version>3.8.0</version>
         </dependency>
         <!-- tag::rxjava[] -->
         <dependency>

start/models/pom.xml

@@ -23,7 +23,7 @@
         <dependency>
             <groupId>org.apache.kafka</groupId>
             <artifactId>kafka-clients</artifactId>
-            <version>3.7.0</version>
+            <version>3.8.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>

start/system/pom.xml

@@ -55,7 +55,7 @@
         <dependency>
             <groupId>org.apache.kafka</groupId>
             <artifactId>kafka-clients</artifactId>
-            <version>3.7.0</version>
+            <version>3.8.0</version>
         </dependency>
         <!-- tag::rxjava[] -->
         <dependency>