clean up workflow names [ci skip]

Author: phobson

.github/workflows/check-test-coverage.yml

@@ -1,4 +1,4 @@
-name: Coverage via codecov
+name: Coverage (with doctests)
 on:
   push:
     branches: [ master ]

.github/workflows/python-runtests-all.yml

@@ -1,7 +1,7 @@
 # This workflow will install Python dependencies, run tests and lint with a variety of Python versions
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
 
-name: Image comparison tests
+name: Run units test (w/ img comps)
 
 on:
   push: