Removed Python 3.8 support

Author: jecarr

.github/workflows/run-tests.yml

@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
       # We're testing Python versions 3.8+
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     # Four steps: set-up Python, install dependencies, run linter, run tests
     steps:

README.md

@@ -46,8 +46,9 @@ Community Collaboration: Thread is being built into an open-source community com
 If you want to use Thread right now, feel free to use the web version at https://app.arachne.digital/thread.
 
 ## Requirements
-- [Python 3](https://www.python.org/) (3.8+)
+- [Python 3](https://www.python.org/) (3.9+)
   - In line with Python 3.8 EOL being scheduled in October 2024, we will remove support for Python 3.8 soon.
+    - Effective December 2024.
 
 ## Installation
 We recommend using a virtual environment for installing Python package dependencies.