Test with Python 3.7

Author: ScrappyCocco

.github/workflows/python-test-dev.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: '3.6'
+        python-version: '3.7'
     - name: Install dependencies
       run: |
         cd howlongtobeatpy

.github/workflows/python-test-release.yml

@@ -26,7 +26,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: '3.6'
+        python-version: '3.7'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip