[3.14] gh-138665: Move platform.invalidate_caches docs (GH-138667) (#138668)

Co-authored-by: Shamil <[email protected]>

Author: miss-islington

Doc/library/platform.rst

@@ -187,6 +187,14 @@ Cross platform
    .. versionchanged:: 3.9
       :attr:`processor` is resolved late instead of immediately.
 
+.. function:: invalidate_caches()
+
+   Clear out the internal cache of information, such as the :func:`uname`.
+   This is typically useful when the platform's :func:`node` is changed
+   by an external process and one needs to retrieve the updated value.
+
+   .. versionadded:: 3.14
+
 
 Java platform
 -------------
@@ -388,14 +396,3 @@ The following options are accepted:
 You can also pass one or more positional arguments (``terse``, ``nonaliased``)
 to explicitly control the output format. These behave similarly to their
 corresponding options.
-
-Miscellaneous
--------------
-
-.. function:: invalidate_caches()
-
-   Clear out the internal cache of information, such as the :func:`uname`.
-   This is typically useful when the platform's :func:`node` is changed
-   by an external process and one needs to retrieve the updated value.
-
-   .. versionadded:: 3.14