Remove reference to fixed 3.0.x version

Author: drwetter

Readme.md

@@ -50,7 +50,7 @@ You can download testssl.sh by cloning this git repository:
     git clone --depth 1 https://github.com/drwetter/testssl.sh.git --branch 3.0
 
 
-For the stable version help yourself by downloading the [ZIP](https://codeload.github.com/drwetter/testssl.sh/zip/3.0.6) or the latest testssl-3.0.X.tar.gz from [https://testssl.sh](https://testssl.sh/) archive. Just ``cd`` to the directory created (=INSTALLDIR) and run it off there.
+For the stable version help yourself by downloading the latest [ZIP](https://github.com/drwetter/testssl.sh/releases) from the 3.0.X branch or the latest testssl-3.0.X.tar.gz from [https://testssl.sh](https://testssl.sh/) archive. Just ``cd`` to the directory created (=INSTALLDIR) and run it off there.
 
 #### Docker