update version to 0.7.0 (#104)

Co-authored-by: dhuang <[email protected]>

Author: dhuangnm

src/sparsezoo/version.py

@@ -19,7 +19,7 @@
 from datetime import date
 
 
-version_base = "0.6.0"
+version_base = "0.7.0"
 is_release = False  # change to True to set the generated version as a release version