chore: Bump version string, update changelog

app/build.gradle.kts

@@ -33,8 +33,8 @@ android {
         applicationId = "org.nsh07.pomodoro"
         minSdk = 26
         targetSdk = 36
-        versionCode = 5
-        versionName = "1.1.0"
+        versionCode = 6
+        versionName = "1.2.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }

fastlane/metadata/android/en-US/changelogs/6.txt

@@ -0,0 +1,9 @@
+New features:
+- The app now rings the system alarm sound when a timer completes
+- Clicking the timer clock now shows the current session count
+- The app can now stay in the background and the timer keeps running even when the app is closed
+- New notification buttons to control the timer without opening the app
+
+Fixes:
+- Current elapsed time is now saved in the stats when the app is closed while a timer is running
+- Live Updates/Now Bar now shows precisely how much time is remaining (in seconds)

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 activityCompose = "1.11.0"
 adaptive = "1.1.0"
-agp = "8.13.0"
+agp = "8.11.1"
 composeBom = "2025.09.00"
 coreKtx = "1.17.0"
 espressoCore = "3.7.0"