Update python version in integration tests (#1579)

Author: silvanocerza

Diff for: .github/workflows/check-mkdocs-task.yml

@@ -5,7 +5,7 @@ env:
   # See: https://github.com/actions/setup-go/tree/v2#readme
   GO_VERSION: "1.16"
   # See: https://github.com/actions/setup-python/tree/v2#available-versions-of-python
-  PYTHON_VERSION: "3.9.6"
+  PYTHON_VERSION: "3.9"
 
 # See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
 on:

Diff for: .github/workflows/check-python-task.yml

@@ -3,7 +3,7 @@ name: Check Python
 
 env:
   # See: https://github.com/actions/setup-python/tree/v2#available-versions-of-python
-  PYTHON_VERSION: "3.9.6"
+  PYTHON_VERSION: "3.9"
 
 # See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
 on:

Diff for: .github/workflows/deploy-cobra-mkdocs-versioned-poetry.yml

@@ -5,7 +5,7 @@ env:
   # See: https://github.com/actions/setup-go/tree/v2#readme
   GO_VERSION: "1.16"
   # See: https://github.com/actions/setup-python/tree/v2#available-versions-of-python
-  PYTHON_VERSION: "3.9.6"
+  PYTHON_VERSION: "3.9"
 
 on:
   push: