drop py38 from CI

.github/workflows/tox.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+        python: ['3.9', '3.10', '3.11', '3.12', '3.13']
         toxenv: [core, lint, wheel]
         include:
           - python: '3.10'

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ repos:
     rev: v3.15.0
     hooks:
     -   id: pyupgrade
-        args: [--py38-plus]
+        args: [--py39-plus]
 -   repo: https://github.com/psf/black
     rev: 23.9.1
     hooks:

setup.py

@@ -90,7 +90,7 @@ setup(
     url="https://github.com/libp2p/py-libp2p",
     include_package_data=True,
     install_requires=install_requires,
-    python_requires=">=3.8, <4",
+    python_requires=">=3.9, <4",
     extras_require=extras_require,
     py_modules=["libp2p"],
     license="MIT/APACHE2.0",
@@ -105,7 +105,6 @@ setup(
         "License :: OSI Approved :: Apache Software License",
         "Natural Language :: English",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",

tox.ini

@@ -1,9 +1,9 @@
 [tox]
 envlist=
-    py{38,39,310,311,312,313}-core
-    py{38,39,310,311,312,313}-lint
-    py{38,39,310,311,312,313}-wheel
-    py{38,39,310,311,312,313}-interop
+    py{39,310,311,312,313}-core
+    py{39,310,311,312,313}-lint
+    py{39,310,311,312,313}-wheel
+    py{39,310,311,312,313}-interop
     windows-wheel
     docs
 
@@ -25,7 +25,6 @@ commands=
 basepython=
     docs: python
     windows-wheel: python
-    py38: python3.8
     py39: python3.9
     py310: python3.10
     py311: python3.11
@@ -36,7 +35,7 @@ extras=
     docs
 allowlist_externals=make,pre-commit
 
-[testenv:py{38,39,310,311,312,313}-lint]
+[testenv:py{39,310,311,312,313}-lint]
 deps=pre-commit
 extras=
     dev
@@ -44,7 +43,7 @@ commands=
     pre-commit install
     pre-commit run --all-files --show-diff-on-failure
 
-[testenv:py{38,39,310,311,312,313}-wheel]
+[testenv:py{39,310,311,312,313}-wheel]
 deps=
     wheel
     build[virtualenv]