project: Update dependencies to latest version (TS only to v4).

TypeScript has to stay in v4 (latest is v5) due to some
dependencies that haven't been updated.
There are still some deprecations we might need to replace in the
future as well.

Author: microbit-carlos

config/global.d.ts

@@ -5,9 +5,8 @@
 // ============================
 // Rollup plugins without types
 // ============================
-type RollupPluginImpl<O extends object = object> = import('rollup').PluginImpl<
-  O
->;
+type RollupPluginImpl<O extends object = object> =
+  import('rollup').PluginImpl<O>;
 
 declare module 'rollup-plugin-sourcemaps' {
   const plugin: RollupPluginImpl;