Update TA-Lib version to 0.6.1 in GitHub Actions workflow

- Update TA-Lib download URL to version 0.6.1 in Linux installation step
- Correct tar extraction filename to match the downloaded archive

.github/workflows/python-package.yml

@@ -73,7 +73,7 @@ jobs:
       - name: Install ta-lib Linux
         if: steps.talib-cache.outputs.cache-hit != 'true'
         run: |
-            wget http://prdownloads.sourceforge.net/ta-lib/ta-lib-0.6.0-src.tar.gz -q && tar -xzf ta-lib-0.4.0-src.tar.gz
+            wget https://github.com/TA-Lib/ta-lib/releases/download/v0.6.1/ta-lib-0.6.1-src.tar.gz -q && tar -xzf ta-lib-0.4.0-src.tar.gz
             cd ta-lib/
             ./configure --prefix=$HOME/.local/ta-lib
             make