update test matrix (#13)

* try new test matrix

* install setuptools

Author: whwright

.github/workflows/build.yaml

@@ -10,26 +10,20 @@ jobs:
       matrix:
 
         python-version: [
-          # "3.6",  # TODO: Error: The version '3.6' with architecture 'x64' was not found for Ubuntu 22.04.
-          "3.7",
           "3.8",
           "3.9",
           "3.10",
-          "3.11"
+          "3.11",
+          "3.12",
         ]
         click-version: [
           "5.1",
           "6.7",
           "7.0",
           "7.1.2",
           "8.0.4",
-          "8.1.3",
+          "8.1.7",
         ]
-        exclude:
-          # click 8.1 drops support for py36
-          - python-version: "3.6"
-            click-version: "8.1.3"
-
 
     steps:
       - uses: actions/checkout@v3
@@ -39,7 +33,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install package
         run: |
-          python -m pip install --upgrade pip
+          python -m pip install --upgrade pip setuptools
           pip install click==${{ matrix.click-version }}
           python setup.py install
       - name: Verify click version