Deps: Update screengrab to 2.1.1

Release Notes: Not published as a standalone document

FYI: Otherwise, running 'lintDebug' fails with the below build failure
on the 'com.jraska:falcon' transitive dependency:

For more info see:
- [screengrab] version bump lib to 2.1.1 #19483
fastlane/fastlane#19483
- Publish screengrab without dependencies to jcenter repository #19480
fastlane/fastlane#19480

------------------------------------------------------------------------

> Task :Simplenote:generateDebugLintReportModel FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':Simplenote:generateDebugLintReportModel'.
> Could not resolve all files for configuration
 ':Simplenote:debugAndroidTestCompileClasspath'.
   > Could not find com.jraska:falcon:2.1.1.
     Required by:
         project :Simplenote > tools.fastlane:screengrab:2.0.0

Author: ParaskP7

Simplenote/build.gradle

@@ -109,7 +109,7 @@ dependencies {
     testImplementation 'org.json:json:20210307'
 
     // Fastlane screengrab for screenshots automation
-    androidTestImplementation 'tools.fastlane:screengrab:2.0.0'
+    androidTestImplementation "tools.fastlane:screengrab:$screengrabVersion"
     // Automattic and WordPress dependencies
     implementation 'com.automattic:simperium:v1.3.1'
     implementation "com.automattic:Automattic-Tracks-Android:$automatticTracksVersion"

build.gradle

@@ -69,4 +69,6 @@ ext {
 
     automatticTracksVersion = '6.0.4'
     androidxLifecycleVersion = '2.5.1'
+
+    screengrabVersion = '2.1.1'
 }