required python version updated to 3.8 (3.6 is pretty old though)

.github/workflows/codestyle.yml

@@ -6,16 +6,16 @@ on:
 jobs:
   lint:
     name: Run codestyle check
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
       - name: Checkout 🛎️
         uses: actions/checkout@v3
 
-      - name: Setup Python 3.6 🐍
+      - name: Setup Python 3.8 🐍
         uses: actions/setup-python@v3
         with:
-          python-version: 3.6.7
+          python-version: 3.8
 
       - name: Install Dependencies 📥
         run: pip install -r requirements.txt

CONTRIBUTING.md

@@ -21,7 +21,7 @@ Once you've worked on your feature/bugfix etc, you can open a pull request using
 
 ### Setting up development environment
 
-This project is written in Python, requires **Python 3.6 or higher**, and uses `pip` .
+This project is written in Python, requires **Python 3.8 or higher**, and uses `pip` .
 
 To set it up, just fork + clone it, install all the dependencies:
 

Makefile

@@ -12,7 +12,7 @@ help:
 	@ # Print help commands
 	echo "Welcome to 'waka-readme-stats' GitHub Actions!"
 	echo "The action can be tested locally with: 'make run'."
-	echo "NB! For local testing Python version 3.6+ is required."
+	echo "NB! For local testing Python version 3.8+ is required."
 	echo "The action image can be built locally with: 'make container'."
 	echo "NB! For local container building Docker version 20+ is required."
 	echo "The action directory and image can be cleaned with: 'make clean'."

requirements.txt

@@ -1,5 +1,5 @@
 # GitHub integration modules:
-PyGithub~=1.56
+PyGithub~=1.57
 
 # Markdown visualization modules:
 pytz~=2022.7