build(deps): bump influxdb-client-java from 6.7.0 to 6.8.0 (#874)

Bumps [influxdb-client-java](https://github.com/influxdata/influxdb-client-java) from 6.7.0 to 6.8.0.
- [Release notes](https://github.com/influxdata/influxdb-client-java/releases)
- [Changelog](https://github.com/influxdata/influxdb-client-java/blob/master/CHANGELOG.md)
- [Commits](influxdata/influxdb-client-java@v6.7.0...v6.8.0)

---
updated-dependencies:
- dependency-name: com.influxdb:influxdb-client-java
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

plc4j/examples/hello-influx-data-collection/pom.xml

@@ -51,7 +51,7 @@
     <dependency>
       <groupId>com.influxdb</groupId>
       <artifactId>influxdb-client-java</artifactId>
-      <version>6.7.0</version>
+      <version>6.8.0</version>
     </dependency>
 
     <dependency>