Bump minimum Python version to 3.9

Author: JonnyWong16

Diff for: .github/ISSUE_TEMPLATE/BUG_REPORT.yml

@@ -50,7 +50,7 @@ body:
     id: python
     attributes:
       label: Python Version
-      placeholder: eg. 3.8.17
+      placeholder: eg. 3.9.20
     validations:
       required: true
   - type: input

Diff for: .github/workflows/ci.yaml

@@ -12,7 +12,7 @@ on:
 
 env:
   CACHE_VERSION: 1
-  DEFAULT_PYTHON: 3.8
+  DEFAULT_PYTHON: 3.9
 
 jobs:
   lint-flake8:

Diff for: .github/workflows/pypi.yml

@@ -9,7 +9,7 @@ on:
     types: [published]
 
 env:
-  DEFAULT_PYTHON: 3.8
+  DEFAULT_PYTHON: 3.9
 
 jobs:
   build:

Diff for: .readthedocs.yml

@@ -5,7 +5,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.8"
+    python: "3.9"
 
 sphinx:
   configuration: docs/conf.py

Diff for: pyproject.toml

@@ -5,7 +5,7 @@ authors = [
 ]
 description = "Python bindings for the Plex API."
 readme = "README.rst"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 keywords = ["plex", "api"]
 license = {file = "LICENSE.txt"}
 classifiers = [