[3.12] pythongh-114967: Fix "Built-in Exceptions" documentation ambig…

…uous wording (pythonGH-114968) (python#115033)

Change the somewhat vague "listed below" to "listed in this chapter" in Doc/library/exceptions.rst.
The exceptions are listed in multiple sections after two intermediate sections.
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(cherry picked from commit 750489c)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Co-authored-by: HarryLHW <123lhw321@gmail.com>

Doc/library/exceptions.rst

@@ -16,7 +16,7 @@ equivalent, even if they have the same name.
 
 .. index:: pair: statement; raise
 
-The built-in exceptions listed below can be generated by the interpreter or
+The built-in exceptions listed in this chapter can be generated by the interpreter or
 built-in functions.  Except where mentioned, they have an "associated value"
 indicating the detailed cause of the error.  This may be a string or a tuple of
 several items of information (e.g., an error code and a string explaining the