build(deps): bump io.gatling.highcharts:gatling-charts-highcharts

Bumps [io.gatling.highcharts:gatling-charts-highcharts](https://github.com/gatling/gatling-highcharts) from 3.10.4 to 3.11.3.
- [Commits](gatling/gatling-highcharts@v3.10.4...v3.11.3)

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

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

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ awaitility = "4.2.1"
 okhttp = "4.12.0"
 restAssured = "5.4.0"
 apacheCommons = "3.14.0"
-gatling = "3.10.4"
+gatling = "3.11.3"
 
 [libraries]
 edc-spi-policy-engine = { module = "org.eclipse.edc:policy-engine-spi", version.ref = "edc" }