fix(esm): set explicit file extension for ./lib/utilities

esm/utilities.d.mts:1:15 - error TS2835: Relative import paths need explicit file extensions in ECMAScript imports when '--moduleResolution' is 'node16' or 'nodenext'. Did you mean '../lib/utilities.js'?

1 export * from '../lib/utilities';
                ~~~~~~~~~~~~~~~~~~

Found 1 error in esm/utilities.d.mts:1

Author: remarkablemark

esm/utilities.d.mts

@@ -1 +1 @@
-export * from '../lib/utilities';
+export * from '../lib/utilities.js';