Using the python action and the inbuild poetry cache (#261)

I have found out that the python setup action supports the use of the
poetry cache which increases the build speed.

.github/workflows/lint-actions.yaml

@@ -18,23 +18,19 @@ jobs:
   mypy:
     runs-on: ubuntu-latest
     steps:
+    - uses: actions/checkout@v4
+    - name: Install poetry
+      run: pipx install poetry
     - name: Set up python
       id: setup-python
       uses: actions/setup-python@v4
       with:
         python-version: '3.11'
-    - name: Check out Git repository
-      uses: actions/checkout@v4
-    - name: Install and configure Poetry
-      uses: snok/install-poetry@v1
-      with:
-        version: 1.6.1
-        virtualenvs-create: false
-        virtualenvs-path: ~/local/share/virtualenvs
+        cache: poetry
     - run: poetry install --without develop,doc --all-extras
     - name: Run mypy
       run: |
-        mypy src tests
+        poetry run mypy src tests
 
   ruff:
     runs-on: ubuntu-latest
@@ -48,22 +44,16 @@ jobs:
     name: Check Python Requirements
     runs-on: ubuntu-latest
     steps:
+    - uses: actions/checkout@v4
+    - name: Install poetry
+      run: pipx install poetry
     - name: Set up python
       id: setup-python
       uses: actions/setup-python@v4
       with:
         python-version: '3.11'
-    - name: Install and configure Poetry
-      uses: snok/install-poetry@v1
-      with:
-        version: 1.6.1
-        virtualenvs-create: true
-        virtualenvs-path: ~/local/share/virtualenvs
-    - name: Check out Git repository
-      uses: actions/checkout@v4
-    - name: Install root, pip-licenses & pip-audit
-      run: |
-        poetry run pip install pip-licenses pip-audit
+        cache: poetry
+    - run: poetry install --without develop,doc --all-extras
     - name: Poetry export
       run: poetry export -f requirements.txt --output requirements.txt
     - name: Check license