Update changes dialog and F-Droid metadata for android/2023.8

android/src/main/play/release-notes/en-US/default.txt

@@ -1,5 +1,6 @@
-Fix top bar flickering in some scrollable views.
-Fix welcome screen sometimes showing on app restart after buying time.
-Fix inconsistencies with the account history in the login view.
-Improve log sharing behavior by sharing the log as a file rather as plain-text to avoid OS crashes.
-Improve in-app purchase and verification flow in some circumstances.
+Add Google Play in-app purchases to the build distributed via Google Play.
+Add social media content blocker.
+Add support for setting per-app language in system settings.
+Add share button to the log view.
+Improve device and expiry information throughout the app.
+Migrate remaining views to the new UI framework (Compose).