Make includes for Python version more consistent and explicit

Author: stevepiercy

docs/_inc/_install-python.md renamed to docs/_inc/_install-python-plone60.md

@@ -3,4 +3,4 @@ However, it is recommended to use a Python version manager, {term}`pyenv`, that
 % TODO: uncomment this line after upgrading to plone-sphinx-theme and latest Sphinx which supports replacements inside includes.
 % Plone requires Python version {SUPPORTED_PYTHON_VERSIONS_PLONE60}.
 
-Plone requires Python version 3.8, 3.9, 3.10, 3.11, or 3.12.
+Plone 6.0 requires Python version 3.8, 3.9, 3.10, 3.11, or 3.12.

docs/_inc/_install-python-plone61.md

@@ -2,3 +2,5 @@ Installing Python is beyond the scope of this documentation.
 However, it is recommended to use a Python version manager, {term}`pyenv`, that allows you to install multiple versions of Python on your development environment without destroying your system's Python.
 % TODO: uncomment this line after upgrading to plone-sphinx-theme and latest Sphinx which supports replacements inside includes.
 % Plone requires Python version {SUPPORTED_PYTHON_VERSIONS_PLONE61}.
+
+Plone 6.1 requires Python version 3.10, 3.11, or 3.12.

docs/install/create-project-cookieplone.md

@@ -53,7 +53,7 @@ Plone 6 has both hardware requirements and software prerequisites.
 
 #### Python
 
-```{include} /_inc/_install-python.md
+```{include} /_inc/_install-python-plone61.md
 ```
 
 

docs/install/create-project.md

@@ -60,7 +60,7 @@ Plone 6 has both hardware requirements and software prerequisites.
 
 #### Python
 
-```{include} /_inc/_install-python.md
+```{include} /_inc/_install-python-plone60.md
 ```