Change: Update supported Python versions (#425)

* Change: Update supported Python versions

Officially drop Python 3.7 and 3.8 and support Python 3.12

* Update README

* Update dependencies

Add autohooks-plugin-mypy and update dependencies for Python >= 3.9
only.

* Drop poetry.toml config

Allow users to define the location of the virtual environment.

.github/workflows/ci-python.yml

@@ -11,11 +11,10 @@ jobs:
     strategy:
       matrix:
         python-version:
-            - "3.7"
-            - "3.8"
             - "3.9"
             - "3.10"
             - "3.11"
+            - "3.12"
 
     name: Check and test
     uses: greenbone/workflows/.github/workflows/ci-python.yml@main

README.md

@@ -14,10 +14,7 @@ linting via [pylint](https://github.com/PyCQA/pylint).
 You can install the latest stable release of autohooks-plugin-pylint from the
 Python Package Index using [pip](https://pip.pypa.io/):
 
-    pip install autohooks-plugin-pylint
-
-Note the `pip` refers to the Python 3 package manager. In a environment where
-Python 2 is also available the correct command may be `pip3`.
+    python3 -m pip install autohooks-plugin-pylint
 
 ### Install using poetry
 
@@ -76,6 +73,6 @@ first.
 
 ## License
 
-Copyright (C) 2019 - 2022 [Greenbone AG](https://www.greenbone.net/)
+Copyright (C) 2019 - 2023 [Greenbone AG](https://www.greenbone.net/)
 
 Licensed under the [GNU General Public License v3.0 or later](LICENSE).