Also update minimum version

Author: simolus3

docs/update_core.md

@@ -6,3 +6,5 @@ To update the version of the PowerSync core extension used in the Dart SDK, upda
 4. `POWERSYNC_CORE_VERSION` in `sqlite3_wasm_build/build.sh`.
 
 After updating, run `podfile:update` to update the podfile locks for demo projects.
+If you've updated the core version to use a new feature, also update the minimum
+version in `core_version.dart` to reflect that requirement.

packages/powersync_core/lib/src/database/core_version.dart

@@ -60,7 +60,7 @@ extension type const PowerSyncCoreVersion((int, int, int) _tuple) {
   // Note: When updating this, also update the download URL in
   // scripts/init_powersync_core_binary.dart and the version ref in
   // packages/sqlite3_wasm_build/build.sh
-  static const minimum = PowerSyncCoreVersion((0, 4, 0));
+  static const minimum = PowerSyncCoreVersion((0, 4, 2));
 
   /// The first version of the core extensions that this version of the Dart
   /// SDK doesn't support.