Bump classgraph from 4.8.137 to 4.8.138

Bumps [classgraph](https://github.com/classgraph/classgraph) from 4.8.137 to 4.8.138.
- [Release notes](https://github.com/classgraph/classgraph/releases)
- [Commits](classgraph/classgraph@classgraph-4.8.137...classgraph-4.8.138)

---
updated-dependencies:
- dependency-name: io.github.classgraph:classgraph
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -205,7 +205,7 @@ dependencies {
 
     implementation group: 'net.harawata', name: 'appdirs', version: '1.2.1'
 
-    testImplementation 'io.github.classgraph:classgraph:4.8.137'
+    testImplementation 'io.github.classgraph:classgraph:4.8.138'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.8.2'
     testImplementation 'org.junit.platform:junit-platform-launcher:1.8.1'