Update NewPIpe extractor to 0.21.4

Author: TobiGr

app/build.gradle

@@ -183,7 +183,7 @@ dependencies {
 /** NewPipe libraries **/
     // You can use a local version by uncommenting a few lines in settings.gradle
     implementation 'com.github.TeamNewPipe:nanojson:1d9e1aea9049fc9f85e68b43ba39fe7be1c1f751'
-    implementation 'com.github.TeamNewPipe:NewPipeExtractor:8c42a486736509e7d382f4c0d9c93ad020de6b79'
+    implementation 'com.github.TeamNewPipe:NewPipeExtractor:v0.21.4'
 
 /** Checkstyle **/
     checkstyle "com.puppycrawl.tools:checkstyle:${checkstyleVersion}"