chore(deps-dev): bump io.gatling.highcharts:gatling-charts-highcharts (#426)

Bumps [io.gatling.highcharts:gatling-charts-highcharts](https://github.com/gatling/gatling-highcharts) from 3.9.5 to 3.10.3.
- [Commits](gatling/gatling-highcharts@v3.9.5...v3.10.3)

---
updated-dependencies:
- dependency-name: io.gatling.highcharts:gatling-charts-highcharts
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

tests/gatling/pom.xml

@@ -12,7 +12,7 @@
 
   <properties>
     <activiti-cloud.version>8.1.0</activiti-cloud.version>
-    <gatling.version>3.9.5</gatling.version>
+    <gatling.version>3.10.3</gatling.version>
     <gatling-maven-plugin.version>4.6.0</gatling-maven-plugin.version>
   </properties>