CHANGE: drop support for Python3.8

Author: ctgk

.github/workflows/run-notebooks.yaml

@@ -15,7 +15,7 @@ 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']
 
     steps:
     - uses: actions/checkout@v2

setup.py

@@ -13,7 +13,7 @@
     version="0.0.1",
     description="Collection of PRML algorithms",
     author="ctgk",
-    python_requires=">=3.8",
+    python_requires=">=3.9",
     install_requires=["numpy>=2", "scipy"],
     packages=find_packages(exclude=["test", "test.*"]),
     test_suite="test",