Prepare a new release

fastlane/metadata/android/en-US/changelogs/116.txt

@@ -0,0 +1,4 @@
+- We're rolling out grouped notifications for servers that support the feature
+- You can now click "show results" on polls without having to submit a vote
+- You will now see lines connecting reply chains in threads
+- Bug fixes and improvements, obviously!

fastlane/metadata/android/en-US/changelogs/default.txt

@@ -1 +1 @@
-110.txt
+116.txt

mastodon/build.gradle

@@ -13,8 +13,8 @@ android {
 		applicationId "org.joinmastodon.android"
 		minSdk 23
 		targetSdk 34
-		versionCode 114
-		versionName "2.6.1"
+		versionCode 116
+		versionName "2.7.0"
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 	}