ci: bump net.alchim31.maven:scala-maven-plugin in /gatling

Bumps [net.alchim31.maven:scala-maven-plugin](https://github.com/davidB/scala-maven-plugin) from 4.9.7 to 4.9.8.
- [Commits](davidB/scala-maven-plugin@4.9.7...4.9.8)

---
updated-dependencies:
- dependency-name: net.alchim31.maven:scala-maven-plugin
  dependency-version: 4.9.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gatling/pom.xml

@@ -15,7 +15,7 @@
     <maven-compiler-plugin.version>3.14.1</maven-compiler-plugin.version>
     <maven-resources-plugin.version>3.4.0</maven-resources-plugin.version>
     <maven-jar-plugin.version>3.5.0</maven-jar-plugin.version>
-    <scala-maven-plugin.version>4.9.7</scala-maven-plugin.version>
+    <scala-maven-plugin.version>4.9.8</scala-maven-plugin.version>
   </properties>
 
   <dependencies>