version bump to 2.11.0-beta

CHANGELOG.md

 # Changelog
 
+### Version 2.11.0
+
+* Implement Extensible SASL Profile, Bind 2.0 and Fast for faster reconnects
+* Implement Channel Binding
+* Add ability to delete own avatar
+* Add notification for missed calls
+
 ### Version 2.10.10
 
 * Minor bug fixes

build.gradle

@@ -93,8 +93,8 @@ android {
     defaultConfig {
         minSdkVersion 21
         targetSdkVersion 32
-        versionCode 42038
-        versionName "2.10.10"
+        versionCode 42039
+        versionName "2.11.0-beta"
         archivesBaseName += "-$versionName"
         applicationId "eu.siacs.conversations"
         resValue "string", "applicationId", applicationId