Maintenance: remove support for Python3.8 that is reaching end-of-life

Ref: https://peps.python.org/pep-0569/

.github/workflows/unittests.yaml

@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-13, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
         include:
           # set toxenv to workaround-darwin on macos (check tox.ini)
           - toxenv: py

README.rst

@@ -474,7 +474,7 @@ If you want a scraper for a new site added
 For Devs / Contribute
 ---------------------
 
-Assuming you have ``>=python3.8`` installed, navigate to the directory where you want this project to live in and drop these lines
+Assuming you have ``>=python3.9`` installed, navigate to the directory where you want this project to live in and drop these lines
 
 .. code:: shell
 

pyproject.toml

@@ -14,7 +14,6 @@ license = {text = "MIT License"}
 classifiers = [
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -26,7 +25,7 @@ classifiers = [
     "Topic :: Software Development :: Libraries",
 ]
 dynamic = ["version", "readme"]
-requires-python = ">= 3.8"
+requires-python = ">= 3.9"
 dependencies = [
     "beautifulsoup4 >= 4.12.3",
     "extruct >= 0.17.0",