Update docker to python 3.10

Author: bnmnetp

.github/workflows/python-app.yml

@@ -21,10 +21,10 @@ jobs:
             -   uses: actions/checkout@v2
                 with:
                     path: RunestoneServer
-            -   name: Set up Python 3.8
+            -   name: Set up Python 3.10
                 uses: actions/setup-python@v2
                 with:
-                    python-version: 3.8
+                    python-version: 3.10
             -   name: Build container
                 id: docker-build
                 run: |

Dockerfile

@@ -7,7 +7,7 @@
 # ************************************************************
 # To build, execute `docker-tools <docker/docker_tools.py>` ``build``.
 
-FROM python:3.9-bullseye
+FROM python:3.10-bullseye
 
 LABEL authors="@bnmnetp,@vsoch,@yarikoptic,@bjones1"