Merge pull request #40 from APSL/dependabot/pip/docs/tornado-6.5.1

Bump tornado from 6.4.2 to 6.5.1 in /docs

Author: sastred

docs/requirements.txt

@@ -24,5 +24,5 @@ sphinxcontrib-jquery==4.1
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.6
 sphinxcontrib-serializinghtml==1.1.9
-tornado==6.4.2
+tornado==6.5.1
 urllib3==2.5.0