Fix licence header

Signed-off-by: alperozturk <alper_ozturk@proton.me>

app/src/main/java/com/nextcloud/utils/extensions/ActivityExtensions.kt

@@ -1,7 +1,7 @@
 /*
  * Nextcloud - Android Client
  *
- * SPDX-FileCopyrightText: 2024 Your Name <your@email.com>
+ * SPDX-FileCopyrightText: 2024 Alper Ozturk <alper.ozturk@nextcloud.com>
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */