chore(deps): update dependency docutils to v0.20.1 #2691

Loadtest Results

param	v12.0.2	head	main
bytes_in.mean	1008	1007	1008
bytes_in.total	28028907	28345146	28068028
bytes_out.mean	3849	3849	3848
bytes_out.total	107065215	108292909	107192220
duration	60000591821	60000240760	60005146158
latencies.50th	958478	943933	947968
latencies.90th	1973742	2205860	2173237
latencies.95th	13917410	13789280	13914936
latencies.99th	14432302	14265596	14475327
latencies.max	25741969	25767538	25587233
latencies.mean	2155923	2131600	2149311
latencies.min	149509	153206	149659
latencies.total	59973473004	59972571507	59866932221
rate	464	469	464
requests	27818	28135	27854
status_codes.200	15173	15345	15194
status_codes.201	5058	5116	5064
status_codes.204	7587	7674	7596
success	1	1	1
throughput	464	469	464
wait	987682	816292	815190