Merge "Remove Python 3.8 support"

Author: Zuul

releasenotes/notes/remove-py38-2daf382101210c4e.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Python 3.8 support was dropped. The minimum version of Python now supported
+    is Python 3.9.

setup.cfg

@@ -6,7 +6,7 @@ description_file =
 author = OpenStack
 author_email = [email protected]
 home_page = https://docs.openstack.org/bifrost/latest/
-python_requires = >=3.8
+python_requires = >=3.9
 classifier =
     Environment :: OpenStack
     Intended Audience :: Information Technology
@@ -17,10 +17,10 @@ classifier =
     Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
 
 [files]
 packages =
@@ -38,4 +38,4 @@ quiet-level = 4
 # - Buil: Surname (has to be lowercase in list)
 # - assertIn: Python's unittest method
 ignore-words-list = te,buil,assertIn
-skip = AUTHORS,ChangeLog
+skip = AUTHORS,ChangeLog