Prepare release 1.7.0

Author: rhpvorderman

CHANGELOG.rst

@@ -7,7 +7,7 @@ Changelog
 .. This document is user facing. Please word the changes in such a way
 .. that users understand how the changes affect the new version.
 
-version 1.7.0-dev
+version 1.7.0
 -----------------
 + Include a patched ISA-L version 2.31. The applied patches make compilation
   and wheelbuilding on MacOS ARM64 possible.