Add python 3.12 to build tests

Author: Jacob Truman

.github/workflows/build.yaml

@@ -20,6 +20,7 @@ jobs:
         - 3.9
         - '3.10'
         - '3.11'
+        - '3.12'
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
@@ -61,7 +62,6 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
-          pip install -r test_requirements.txt
       - name: Write version file
         run: python scripts/write-version.py
       - name: Get and set version in env
@@ -86,8 +86,6 @@ jobs:
     - name: Remove version file
       # This is just in case something else created it, destroy it to get a fresh version
       run: rm -f buildrunner/version.py
-    - name: Install dependencies
-      run: pip install -r requirements.txt
     - name: Install wheel
       run: pip install wheel build
     - name: Write version file