fix CI: awscli docutils version conflict (#20997)

fix: awscli docutils version conflict

Author: deependujha

requirements/docs.txt

@@ -3,7 +3,7 @@ myst-parser >=0.18.1, <4.0.0
 nbsphinx >=0.8.5, <=0.9.7
 nbconvert >7.14, <7.17
 pandoc >=1.0, <=2.4
-docutils >=0.16, <0.22
+docutils>=0.18.1,<=0.19
 sphinxcontrib-fulltoc >=1.0, <=1.2.0
 sphinxcontrib-mockautodoc
 sphinx-autobuild