build: no more Windows 2.7?

Microsoft removed the vcpython27 code (because 2.7 isn't supported
anymore).  Discussion here: https://community.chocolatey.org/packages/vcpython27

Author: nedbat

.github/workflows/coverage.yml

@@ -39,6 +39,9 @@ jobs:
           # Windows PyPy doesn't seem to work?
           - os: windows-latest
             python-version: "pypy3"
+          # Microsoft removed vcpython27, so we can't do Windows 2.7
+          - os: windows-latest
+            python-version: "2.7"
       # If one job fails, stop the whole thing.
       fail-fast: true
 

.github/workflows/testsuite.yml

@@ -38,6 +38,9 @@ jobs:
           # Windows PyPy doesn't seem to work?
           - os: windows-latest
             python-version: "pypy3"
+          # Microsoft removed vcpython27, so we can't do Windows 2.7
+          - os: windows-latest
+            python-version: "2.7"
       fail-fast: false
 
     steps: