Remove: Drop support for Python 3.7 and 3.8

Require Python 3.9 as minimum Python version. 3.7 is end of life
already and we agreed on not supporting 3.8 anymore too.

.github/workflows/ci-python.yml

@@ -12,8 +12,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.7"
-          - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"
@@ -28,8 +26,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.7"
-          - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"
@@ -52,8 +48,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.7"
-          - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"
@@ -69,8 +63,6 @@ jobs:
       - uses: actions/checkout@v3
       - name: Calculate and upload coverage to codecov.io
         uses: greenbone/actions/coverage-python@v3
-        with:
-          poetry-version: "1.4.0"
 
   build-docs:
     name: Build the documentation
@@ -79,8 +71,6 @@ jobs:
       - uses: actions/checkout@v3
       - name: Install poetry and dependencies
         uses: greenbone/actions/poetry@v3
-        with:
-          poetry-version: "1.4.0"
       - name: Build docs
         run: |
           cd docs

README.md

@@ -50,7 +50,7 @@ for all supported installation options.
 
 ### Requirements
 
-Python 3.7 and later is supported.
+Python 3.9 and later is supported.
 
 ### Version
 

docs/index.rst

@@ -10,8 +10,7 @@ Essentially, the tools aid accessing the communication protocols
 :term:`Greenbone Management Protocol (GMP) <GMP>`
 and :term:`Open Scanner Protocol (OSP) <OSP>`.
 
-.. note:: :program:`gvm-tools` requires at least Python 3.7. Python 2 is not
-  supported.
+.. note:: :program:`gvm-tools` requires at least Python 3.9.
 
 .. toctree::
   install