Update setup.cfg

Fixed bug in dependency version rule

Author: philipstarkey

setup.cfg

@@ -32,7 +32,7 @@ install_requires =
   pyqtgraph>=0.11.0rc0
   qtutils>=2.2.3
   scipy
-  setuptools_scm>-4.1.0
+  setuptools_scm>=4.1.0
   zprocess>=2.18.0
 
 [options.extras_require]