poetry: change minimum Python version to 3.10

We are using some features only available in Python 3.10, so we need
to set this as the minimum version.

.github/workflows/test.yml

@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: [ '3.8', '3.9', '3.10', '3.11' ]
+        python-version: [ '3.10', '3.11', '3.12' ]
     steps:
       - run: pipx install poetry
       - uses: actions/setup-python@v4

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - Improved `SyntaxError` handling in `lwp3 repl` command.
+- Minimum Python version changed to 3.10.
 
 ### Fixed
 - Fixed `PortID` exception when running `lwp3 repl` command.

CONTRIBUTING.md

@@ -22,11 +22,11 @@ choice to run the following:
 
     git clone https://github.com/pybricks/pybricksdev
     cd pybricksdev
-    poetry env use python3.8
+    poetry env use python3.12
     poetry install
     code .
 
-On Windows, you may need to use the full path to `python3.8` (run `py -0p` to find it).
+On Windows, you may need to use the full path to `python3.12` (run `py -0p` to find it).
 
 You will need to tell VS Code to use `.venv` as the Python interpreter. It
 should ask you about this the first time you open the project folder.

README.md

@@ -14,11 +14,11 @@ operations from within a Python script.
 
 ### Python Runtime
 
-`pybricksdev` requires Python 3.8 or higher.
+`pybricksdev` requires Python 3.10 or higher.
 
 - For Windows, use the [official Python installer][py-dl] or the [Windows Store][py38-win].
-- For Mac, use the [official Python installer][py-dl] or Homebrew (`brew install python@3.8`).
-- For Linux, use the distro provided `python3.8` or if not available, use a Python
+- For Mac, use the [official Python installer][py-dl] or Homebrew (`brew install python@3.12`).
+- For Linux, use the distro provided `python3.12` or if not available, use a Python
   runtime version manager such as [asdf][asdf] or [pyenv][pyenv].
 
 
@@ -79,7 +79,7 @@ following:
 To install `pybricksdev` as a library, we highly recommend using a virtual
 environment for your project. Our tool of choice for this is [poetry]:
 
-    poetry env use python3.8
+    poetry env use python3.12
     poetry add pybricksdev
 
 Of course you can always use `pip` as well: