Deprecate 3.9 support

Author: pamelafox

.github/workflows/app-tests.yaml

@@ -28,10 +28,8 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-latest-xlarge", "macos-13", "windows-latest"]
-        python_version: ["3.9", "3.10", "3.11", "3.12"]
+        python_version: ["3.10", "3.11", "3.12"]
         exclude:
-          - os: macos-latest-xlarge
-            python_version: "3.9"
           - os: macos-latest-xlarge
             python_version: "3.10"
     env:

README.md

@@ -69,7 +69,7 @@ A related option is VS Code Dev Containers, which will open the project in your
 
     * [Azure Developer CLI (azd)](https://aka.ms/install-azd)
     * [Node.js 18+](https://nodejs.org/download/)
-    * [Python 3.9+](https://www.python.org/downloads/)
+    * [Python 3.10+](https://www.python.org/downloads/)
     * [PostgreSQL 14+](https://www.postgresql.org/download/)
     * [pgvector](https://github.com/pgvector/pgvector)
     * [Docker Desktop](https://www.docker.com/products/docker-desktop/)

src/backend/requirements.txt

@@ -1,5 +1,5 @@
 # This file was autogenerated by uv via the following command:
-#    uv pip compile pyproject.toml -o requirements.txt --python-version 3.9
+#    uv pip compile pyproject.toml -o requirements.txt --python-version 3.10
 aiohappyeyeballs==2.4.4
     # via aiohttp
 aiohttp==3.11.18