Bump screengrab from 2.1.0 to 2.1.1

Bumps [screengrab](https://github.com/fastlane/fastlane) from 2.1.0 to 2.1.1.
- [Release notes](https://github.com/fastlane/fastlane/releases)
- [Commits](https://github.com/fastlane/fastlane/compare/2.1.0...2.1.1)

---
updated-dependencies:
- dependency-name: tools.fastlane:screengrab
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -372,7 +372,7 @@ dependencies {
     // androidTestImplementation 'androidx.test.uiautomator:uiautomator:2.2.0'
     // fix conflict in dependencies; see http://g.co/androidstudio/app-test-app-conflict for details
     //androidTestImplementation "com.android.support:support-annotations:${supportLibraryVersion}"
-    androidTestImplementation 'tools.fastlane:screengrab:2.1.0'
+    androidTestImplementation 'tools.fastlane:screengrab:2.1.1'
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     androidTestImplementation('com.android.support.test.espresso:espresso-intents:3.0.2')