Bump the load-gen-gradle-deps group in /load-generator with 2 updates

Bumps the load-gen-gradle-deps group in /load-generator with 2 updates: org.apache.logging.log4j:log4j-api and org.apache.logging.log4j:log4j-core.


Updates `org.apache.logging.log4j:log4j-api` from 2.21.1 to 2.22.0

Updates `org.apache.logging.log4j:log4j-core` from 2.21.1 to 2.22.0

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: load-gen-gradle-deps
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: load-gen-gradle-deps
...

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

load-generator/build.gradle

@@ -51,8 +51,8 @@ dependencies {
     compileOnly 'info.picocli:picocli-codegen:4.7.5'
 
     // log
-    implementation group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.21.1'
-    implementation group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.21.1'
+    implementation group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.22.0'
+    implementation group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.22.0'
 
     implementation project(":trace-java-client")
 }