[docs] Add missing word "any" in unittest -k cmdline option description (GH-29571) (GH-29603)

(cherry picked from commit abc0d754c3853c6e69ec3718505871e7e42ec93d)

Co-authored-by: ch33zer <ch33zer@gmail.com>
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index 99c2f6e..ae0c7d5 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -223,7 +223,7 @@
 
    Only run test methods and classes that match the pattern or substring.
    This option may be used multiple times, in which case all test cases that
-   match of the given patterns are included.
+   match any of the given patterns are included.
 
    Patterns that contain a wildcard character (``*``) are matched against the
    test name using :meth:`fnmatch.fnmatchcase`; otherwise simple case-sensitive