pythonGH-104375: Use versionchanged to describe new arguments in pa…

…thlib docs (pythonGH-104376)

Doc/library/pathlib.rst

@@ -596,8 +596,8 @@ Pure paths provide the following methods and properties:
 
    Set *case_sensitive* to ``True`` or ``False`` to override this behaviour.
 
-   .. versionadded:: 3.12
-      The *case_sensitive* argument.
+   .. versionchanged:: 3.12
+      The *case_sensitive* parameter was added.
 
    .. versionchanged:: 3.13
       Support for the recursive wildcard "``**``" was added. In previous
@@ -642,8 +642,8 @@ Pure paths provide the following methods and properties:
       are present in the path; call :meth:`~Path.resolve` first if
       necessary to resolve symlinks.
 
-   .. versionadded:: 3.12
-      The *walk_up* argument (old behavior is the same as ``walk_up=False``).
+   .. versionchanged:: 3.12
+      The *walk_up* parameter was added (old behavior is the same as ``walk_up=False``).
 
    .. deprecated-removed:: 3.12 3.14
 
@@ -962,11 +962,11 @@ call fails (for example because the path doesn't exist).
       Return only directories if *pattern* ends with a pathname components
       separator (:data:`~os.sep` or :data:`~os.altsep`).
 
-   .. versionadded:: 3.12
-      The *case_sensitive* argument.
+   .. versionchanged:: 3.12
+      The *case_sensitive* parameter was added.
 
-   .. versionadded:: 3.13
-      The *follow_symlinks* argument.
+   .. versionchanged:: 3.13
+      The *follow_symlinks* parameter was added.
 
 .. method:: Path.group()
 
@@ -1362,8 +1362,8 @@ call fails (for example because the path doesn't exist).
    infinite loop is encountered along the resolution path, :exc:`RuntimeError`
    is raised.
 
-   .. versionadded:: 3.6
-      The *strict* argument (pre-3.6 behavior is strict).
+   .. versionchanged:: 3.6
+      The *strict* parameter was added (pre-3.6 behavior is strict).
 
 .. method:: Path.rglob(pattern, *, case_sensitive=None, follow_symlinks=None)
 
@@ -1394,11 +1394,11 @@ call fails (for example because the path doesn't exist).
       Return only directories if *pattern* ends with a pathname components
       separator (:data:`~os.sep` or :data:`~os.altsep`).
 
-   .. versionadded:: 3.12
-      The *case_sensitive* argument.
+   .. versionchanged:: 3.12
+      The *case_sensitive* parameter was added.
 
-   .. versionadded:: 3.13
-      The *follow_symlinks* argument.
+   .. versionchanged:: 3.13
+      The *follow_symlinks* parameter was added.
 
 .. method:: Path.rmdir()