Version bump.

Author: tamaskozmer

apps/teacher/build.gradle

@@ -55,8 +55,8 @@ android {
     defaultConfig {
         minSdkVersion Versions.MIN_SDK
         targetSdkVersion Versions.TARGET_SDK
-        versionCode = 85
-        versionName = '2.3.0'
+        versionCode = 86
+        versionName = '2.3.1'
         vectorDrawables.useSupportLibrary = true
         testInstrumentationRunner 'com.instructure.teacher.espresso.TeacherHiltTestRunner'
         testInstrumentationRunnerArguments disableAnalytics: 'true'