api_docs: Replaced cgi.escape with html.escape.
api_docs: Replaced cgi.escape with html.escape.

cgi.escape is deprecated in python3.2 and removed in python3.8.
This function was unsafe because quote is false by default, hence
removed and replaced with a safer html.escape.

zulip/zulip,brainwane/zulip,brainwane/zulip,punchagan/zulip,synicalsyntax/zulip,hackerkid/zulip,hackerkid/zulip,kou/zulip,hackerkid/zulip,timabbott/zulip,synicalsyntax/zulip,eeshangarg/zulip,brainwane/zulip,punchagan/zulip,kou/zulip,zulip/zulip,timabbott/zulip,brainwane/zulip,showell/zulip,shubhamdhama/zulip,hackerkid/zulip,showell/zulip,hackerkid/zulip,brainwane/zulip,kou/zulip,shubhamdhama/zulip,brainwane/zulip,showell/zulip,andersk/zulip,punchagan/zulip,rht/zulip,brainwane/zulip,punchagan/zulip,showell/zulip,synicalsyntax/zulip,andersk/zulip,shubhamdhama/zulip,kou/zulip,rht/zulip,eeshangarg/zulip,zulip/zulip,kou/zulip,rht/zulip,shubhamdhama/zulip,showell/zulip,eeshangarg/zulip,andersk/zulip,eeshangarg/zulip,shubhamdhama/zulip,zulip/zulip,andersk/zulip,synicalsyntax/zulip,hackerkid/zulip,timabbott/zulip,zulip/zulip,synicalsyntax/zulip,andersk/zulip,rht/zulip,eeshangarg/zulip,andersk/zulip,shubhamdhama/zulip,rht/zulip,rht/zulip,punchagan/zulip,timabbott/zulip,eeshangarg/zulip,timabbott/zulip,hackerkid/zulip,timabbott/zulip,punchagan/zulip,rht/zulip,andersk/zulip,kou/zulip,showell/zulip,eeshangarg/zulip,zulip/zulip,zulip/zulip,timabbott/zulip,punchagan/zulip,kou/zulip,showell/zulip,synicalsyntax/zulip,synicalsyntax/zulip,shubhamdhama/zulip