Bump info.picocli:picocli from 4.7.3 to 4.7.4 in /load-generator (#1249)

Bumps [info.picocli:picocli](https://github.com/remkop/picocli) from 4.7.3 to 4.7.4.
- [Release notes](https://github.com/remkop/picocli/releases)
- [Changelog](https://github.com/remkop/picocli/blob/main/RELEASE-NOTES.md)
- [Commits](remkop/picocli@v4.7.3...v4.7.4)

---
updated-dependencies:
- dependency-name: info.picocli:picocli
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

load-generator/build.gradle

@@ -47,8 +47,8 @@ dependencies {
     testImplementation 'junit:junit:4.13.2'
 
     // Command cli
-    implementation 'info.picocli:picocli:4.7.3'
-    compileOnly 'info.picocli:picocli-codegen:4.7.3'
+    implementation 'info.picocli:picocli:4.7.4'
+    compileOnly 'info.picocli:picocli-codegen:4.7.4'
 
     // log
     implementation group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.20.0'