Remove support for Python 3.8

.github/workflows/code.yml

@@ -36,12 +36,7 @@ jobs:
       matrix:
         os: ["ubuntu-latest"] # can add windows-latest, macos-latest
         python: ["3.9", "3.10", "3.11"]
-        install: ["-e .[dev]"]
-        # Make one version be non-editable to test both paths of version code
-        include:
-          - os: "ubuntu-latest"
-            python: "3.8"
-            install: ".[dev]"
+        install: [".[dev]", "-e .[dev]"]
 
     services:
       activemq:

docs/developer/tutorials/dev-install.rst

@@ -16,7 +16,7 @@ Install dependencies
 --------------------
 
 You can choose to either develop on the host machine using a `venv` (which
-requires python 3.8 or later) or to run in a container under `VSCode
+requires python 3.9 or later) or to run in a container under `VSCode
 <https://code.visualstudio.com/>`_
 
 .. tab-set::

docs/user/tutorials/installation.rst

@@ -4,7 +4,7 @@ Installation
 Check your version of python
 ----------------------------
 
-You will need python 3.8 or later. You can check your version of python by
+You will need python 3.9 or later. You can check your version of python by
 typing into a terminal::
 
     $ python3 --version

pyproject.toml

@@ -7,7 +7,6 @@ name = "blueapi"
 classifiers = [
     "Development Status :: 3 - Alpha",
     "License :: OSI Approved :: Apache Software License",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -27,7 +26,7 @@ dependencies = [
 dynamic = ["version"]
 license.file = "LICENSE"
 readme = "README.rst"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 
 [project.optional-dependencies]
 dev = [