chore: Annotate types explicitly

Author: MorevM

src/configurations/javascript/plugins/command/index.ts

@@ -1,4 +1,5 @@
 import command from 'eslint-plugin-command/config';
+import type { FlatConfig } from '#types';
 
 // @see https://eslint-plugin-command.antfu.me
-export default command();
+export default command() as FlatConfig;

src/index.ts

@@ -67,7 +67,7 @@ type DefineIgnoreOptions = {
  * @returns                  Flat list of configurations.
  */
 export const combine = (...configurations: FlatConfig[]) => {
-	return disableAutofix(configurations.flat(Infinity));
+	return disableAutofix(configurations.flat(Infinity)) as FlatConfig[];
 };
 
 /**