Merge pull request #2638 from jsiirola/enable-win-py311

Enable GHA builds on Windows/Python3.11

Author: blnicho

.github/workflows/test_pr_and_main.yml

@@ -118,11 +118,6 @@ jobs:
           TARGET: win
           PYENV: pip
 
-        exclude:
-        # Exclude 3.11 on conda until matplotlib!=3.6.1 is released on
-        # conda-forge for python 3.11
-        - {os: windows-latest, python: 3.11}
-
     steps:
     - name: Checkout Pyomo source
       uses: actions/checkout@v3