doc: add a link to the throw-deprecations flag

Motivation:  On the deprecated api's doc, the --pending-deprecation flag
is a clickable link to the command line docs.

This makes the --throw-deprecation flag, which is described in the next
paragraph also a link to keep things consistent

PR-URL: #28625
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Rich Trott <rtrott@gmail.com>

Author: lholmquist

doc/api/deprecations.md

@@ -26,7 +26,7 @@ are explicitly labeled as such in the
 
 A Runtime deprecation will, by default, generate a process warning that will
 be printed to `stderr` the first time the deprecated API is used. When the
-`--throw-deprecation` command-line flag is used, a Runtime deprecation will
+[`--throw-deprecation`][] command-line flag is used, a Runtime deprecation will
 cause an error to be thrown.
 
 An End-of-Life deprecation is used when functionality is or will soon be removed
@@ -2493,6 +2493,7 @@ Passing a callback to [`worker.terminate()`][] is deprecated. Use the returned
 
 [`--http-parser=legacy`]: cli.html#cli_http_parser_library
 [`--pending-deprecation`]: cli.html#cli_pending_deprecation
+[`--throw-deprecation`]: cli.html#cli_throw_deprecation
 [`Buffer.allocUnsafeSlow(size)`]: buffer.html#buffer_class_method_buffer_allocunsafeslow_size
 [`Buffer.from(array)`]: buffer.html#buffer_class_method_buffer_from_array
 [`Buffer.from(buffer)`]: buffer.html#buffer_class_method_buffer_from_buffer