fix: Corrected Android 15 version information

This commit addresses an issue with the displayed Android 15 version information:

- The Android 15 codename was initially shown as "Vanilla Ice Cream," which has been corrected to "VanillaIceCream" (without the space) to align with official naming.
- The version code has been incremented to reflect this update.

Author: MihaiCristianCondrea

app/build.gradle

@@ -12,7 +12,7 @@ android {
         applicationId 'com.d4rk.androidtutorials.java'
         minSdk 23
         targetSdk 36
-        versionCode 39
+        versionCode 40
         versionName '5.0.1'
         archivesBaseName = "${applicationId}-v${versionName}"
         vectorDrawables.useSupportLibrary = true