Bump stetho-okhttp3 from 1.5.1 to 1.6.0

Bumps [stetho-okhttp3](https://github.com/facebook/stetho) from 1.5.1 to 1.6.0.
- [Release notes](https://github.com/facebook/stetho/releases)
- [Changelog](https://github.com/facebook/stetho/blob/main/CHANGELOG.md)
- [Commits](facebook/stetho@v1.5.1...v1.6.0)

---
updated-dependencies:
- dependency-name: com.facebook.stetho:stetho-okhttp3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

owncloudComLibrary/build.gradle

@@ -16,7 +16,7 @@ dependencies {
 
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.robolectric:robolectric:4.7.3'
-    debugImplementation 'com.facebook.stetho:stetho-okhttp3:1.5.1'
+    debugImplementation 'com.facebook.stetho:stetho-okhttp3:1.6.0'
 }
 
 android {