fix unit test pipeline

Author: poohcom1

.github/workflows/unit-tests.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Install Dependencies 
         run: | 
           sudo apt-get install -y python3-pip
-          pip install youtube-dl
+          pip install yt-dlp
 
       - name: Install stable toolchain
         uses: actions-rs/toolchain@v1