chore(deps): Updated to Theia 1.39.0 (#2144)

- update Theia to `1.39.0`,
 - remove the application packager and fix the security vulnerabilities,
 - bundle the backed application with `webpack`, and
 - enhance the developer docs.

Co-authored-by: Akos Kitta <a.kitta@arduino.cc>
Co-authored-by: per1234 <accounts@perglass.com>

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

arduino-ide-extension/src/node/is-temp-sketch.ts

@@ -1,4 +1,4 @@
-import * as fs from 'node:fs';
+import fs from 'node:fs';
 import tempDir from 'temp-dir';
 import { isWindows, isOSX } from '@theia/core/lib/common/os';
 import { injectable } from '@theia/core/shared/inversify';