docs(datastore): update EOL post-processing for README and docs

Author: chalmerlowe

packages/google-cloud-datastore/README.rst

@@ -71,6 +71,7 @@ Unsupported Python Versions
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 Python <= 3.9
 
+
 If you are using an `end-of-life`_
 version of Python, we recommend that you update as soon as possible to an actively supported version.
 

packages/google-cloud-datastore/docs/README.rst

@@ -62,14 +62,15 @@ Supported Python Versions
 Our client libraries are compatible with all current `active`_ and `maintenance`_ versions of
 Python.
 
-Python >= 3.9, including 3.14
+Python >= 3.10, including 3.14
 
 .. _active: https://devguide.python.org/devcycle/#in-development-main-branch
 .. _maintenance: https://devguide.python.org/devcycle/#maintenance-branches
 
 Unsupported Python Versions
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-Python <= 3.8
+Python <= 3.9
+
 
 If you are using an `end-of-life`_
 version of Python, we recommend that you update as soon as possible to an actively supported version.