chore(deps-dev): bump io.gatling:gatling-maven-plugin

Bumps [io.gatling:gatling-maven-plugin](https://github.com/gatling/gatling-maven-plugin) from 4.21.6 to 4.21.7.
- [Commits](gatling/gatling-maven-plugin@v4.21.6...v4.21.7)

---
updated-dependencies:
- dependency-name: io.gatling:gatling-maven-plugin
  dependency-version: 4.21.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -11,7 +11,7 @@
     <maven.compiler.release>21</maven.compiler.release>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <gatling.version>3.15.1</gatling.version>
-    <gatling-maven-plugin.version>4.21.6</gatling-maven-plugin.version>
+    <gatling-maven-plugin.version>4.21.7</gatling-maven-plugin.version>
     <maven-compiler-plugin.version>3.15.0</maven-compiler-plugin.version>
     <maven-resources-plugin.version>3.5.0</maven-resources-plugin.version>
     <maven-jar-plugin.version>3.5.0</maven-jar-plugin.version>