Use Prettier for JS files (#3913)

Co-authored-by: Hadrien Croubois <hadrien.croubois@gmail.com>

test/migrate-imports.test.js

@@ -1,5 +1,8 @@
 const path = require('path');
-const { promises: fs, constants: { F_OK } } = require('fs');
+const {
+  promises: fs,
+  constants: { F_OK },
+} = require('fs');
 const { expect } = require('chai');
 
 const { pathUpdates, updateImportPaths, getUpgradeablePath } = require('../scripts/migrate-imports.js');