Badge update

Author: sserita

.gitignore

@@ -145,3 +145,4 @@ scripts/profiling/data
 ############################
 local
 pygsti/_version.py
+1_1.profile/0.prof

README.md

@@ -2,9 +2,9 @@
   pyGSTi 0.9.13
 ********************************************************************************
 
-[![master build](https://github.com/sandialabs/pyGSTi/actions/workflows/beta-master.yml/badge.svg?branch=master)](https://github.com/sandialabs/pyGSTi/actions/workflows/beta-master.yml)
-[![develop build](https://github.com/sandialabs/pyGSTi/actions/workflows/develop.yml/badge.svg?branch=develop)](https://github.com/sandialabs/pyGSTi/actions/workflows/develop.yml)
-[![beta build](https://github.com/sandialabs/pyGSTi/actions/workflows/beta-master.yml/badge.svg?branch=beta)](https://github.com/sandialabs/pyGSTi/actions/workflows/beta-master.yml)
+[![master build](https://img.shields.io/github/actions/workflow/status/sandialabs/pyGSTi/beta-master.yml?branch=master&label=master)](https://github.com/sandialabs/pyGSTi/actions/workflows/beta-master.yml)
+[![develop build](https://img.shields.io/github/actions/workflow/status/sandialabs/pyGSTi/beta-master.yml?branch=develop&label=develop)](https://github.com/sandialabs/pyGSTi/actions/workflows/develop.yml)
+[![beta build](https://img.shields.io/github/actions/workflow/status/sandialabs/pyGSTi/beta-master.yml?branch=beta&label=beta)](https://github.com/sandialabs/pyGSTi/actions/workflows/beta-master.yml)
 
 pyGSTi
 ------