android: set min version to 13

I haven't been able to figure out a workaround for pre-A13

Author: kavishdevar

README.md

@@ -64,7 +64,7 @@ https://github.com/user-attachments/assets/43911243-0576-4093-8c55-89c1db5ea533
 If you are using ColorOS/OxygenOS 16, you don't need root except for customizing transparency mode, setting up hearing aid, and use Bluetooth Multipoint. Changing ANC, conversational awareness, ear detection, and other customizations will work without root. For everyone else:
 
 > [!CAUTION]
-> **You must have a rooted device with Xposed to use LibrePods on Android.** This is due to a [bug in the Android Bluetooth stack](https://issuetracker.google.com/issues/371713238). Please upvote the issue by clicking the '+1' icon on the IssueTracker page.
+> **You must have a rooted device with Xposed to use LibrePods on Android.** This is due to a [bug in the Android Bluetooth stack](https://issuetracker.google.com/issues/371713238). Please upvote the issue by clicking the '+1' icon on the IssueTracker page. I don't know a fix for Android versions <13 either. So, this needs a phone running A13+.
 > 
 > There are **no exceptions** to the root requirement until Google/your OEM figures out a fix.
 

android/app/build.gradle.kts

@@ -12,9 +12,9 @@ android {
 
     defaultConfig {
         applicationId = "me.kavishdevar.librepods"
-        minSdk = 28
+        minSdk = 33
         targetSdk = 36
-        versionCode = 8
+        versionCode = 9
         versionName = "0.2.0"
     }