Add matrix testing for python 3.10 to 3.13. Add FUNDING.yml.

Author: tjhowse

.github/FUNDING.yml

@@ -0,0 +1,4 @@
+# These are supported funding model platforms
+
+github: [tjhowse]
+custom: ["https://paypal.me/tjhowse"]

.github/workflows/python-app.yml

@@ -14,6 +14,10 @@ jobs:
 
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        python-version: ["3.10.x", "3.11.x", "3.12.x", "3.13.x"]
+
     env:
       MQTT_HOST: 127.0.0.1
       MQTT_PORT: 1883
@@ -27,10 +31,10 @@ jobs:
       run: |
         docker run -d --name mosquitto -p $MQTT_PORT:$MQTT_PORT -v ./tests/mosquitto:/mosquitto/config eclipse-mosquitto:2
 
-    - name: Set up Python 3.11
+    - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
-        python-version: 3.11
+        python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip