Add python3.12 and prepare for more linters

Author: mdujava

Diff for: .github/workflows/linter.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v2

Diff for: Makefile

@@ -14,12 +14,19 @@ update: setup_poetry
 	poetry update
 
 clean:
-	poetry env remove --all 
+	poetry env remove --all
 	rm -rf .mk_poetry* dist
 
-check: setup_poetry
+check: setup_poetry flake8 pylint
+
+flake8: setup_poetry
 	poetry run flake8 osia --max-line-length 100 --show-source --statistics
-	poetry run pylint osia
+
+pylint mypy: setup_poetry
+	poetry run $@ osia
+
+black-check: setup_poetry
+	poetry run black --check osia
 
 dist: setup_poetry
 	poetry build