Drop support for Python 3.8

Fixes #243

Author: JonathonReinhart

.github/workflows/build-test.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
       fail-fast: False
 
     steps:

CHANGELOG.md

@@ -8,6 +8,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Removed
 - Dropped support for Python 3.7 (#242)
+- Dropped support for Python 3.8
 
 
 ## [2.13.1] - 2024-05-28

pyproject.toml

@@ -22,7 +22,7 @@ description = "Simplify use of Docker containers for building software"
 keywords = ["docker"]
 license = {file = "LICENSE.txt"}
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 
 [project.optional-dependencies]
 argcomplete = ["argcomplete>=1.10.1"]