[3.13] gh-155052: Fix docstring of decimal.Context.copy (GH-155062) (GH-155083) (GH-155088)

(cherry picked from commit 55ab1a6)

Co-authored-by: Bhuvansh <bhuvanshkataria@gmail.com>

Author: miss-islington

Modules/_decimal/docstrings.h

@@ -531,7 +531,7 @@ Set all traps to False.\n\
 
 PyDoc_STRVAR(doc_ctx_copy,
 "copy($self, /)\n--\n\n\
-Return a duplicate of the context with all flags cleared.\n\
+Return a duplicate of the context.\n\
 \n");
 
 PyDoc_STRVAR(doc_ctx_copy_decimal,