Remove support for Python 3.5 and 3.6, add support for 3.9-3.11

Author: carlosperate

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-18.04, ubuntu-latest, macos-10.15, macos-latest, windows-2019, windows-latest]
-        python-version: ['3.5', '3.6', '3.7', '3.8']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11-dev']
       fail-fast: false
     runs-on: ${{ matrix.os }}
     name: Test Py ${{ matrix.python-version }} - ${{ matrix.os }}

setup.py

@@ -129,7 +129,7 @@
         "mu.modes.api",
         "mu.wheels",
     ],
-    python_requires=">=3.5,<3.9",
+    python_requires=">=3.7,<3.11",
     install_requires=install_requires,
     extras_require=extras_require,
     package_data={"mu.wheels": ["*.whl", "*.zip"]},