Increase code coverage threshold to 0.07.
Increase code coverage threshold to 0.07.

We are getting lots of coverage failures in builds recently
that seem to be red herrings, and this is just a quick fix.

punchagan/zulip,timabbott/zulip,andersk/zulip,punchagan/zulip,zulip/zulip,rishig/zulip,synicalsyntax/zulip,brainwane/zulip,rht/zulip,shubhamdhama/zulip,punchagan/zulip,eeshangarg/zulip,timabbott/zulip,rishig/zulip,hackerkid/zulip,tommyip/zulip,synicalsyntax/zulip,hackerkid/zulip,jackrzhang/zulip,kou/zulip,jackrzhang/zulip,jackrzhang/zulip,tommyip/zulip,synicalsyntax/zulip,shubhamdhama/zulip,rishig/zulip,showell/zulip,tommyip/zulip,rishig/zulip,punchagan/zulip,synicalsyntax/zulip,andersk/zulip,eeshangarg/zulip,zulip/zulip,rht/zulip,zulip/zulip,brainwane/zulip,timabbott/zulip,zulip/zulip,jackrzhang/zulip,kou/zulip,dhcrzf/zulip,kou/zulip,rishig/zulip,hackerkid/zulip,rht/zulip,tommyip/zulip,punchagan/zulip,rishig/zulip,eeshangarg/zulip,timabbott/zulip,zulip/zulip,timabbott/zulip,showell/zulip,eeshangarg/zulip,zulip/zulip,rishig/zulip,brainwane/zulip,kou/zulip,showell/zulip,eeshangarg/zulip,hackerkid/zulip,punchagan/zulip,hackerkid/zulip,jackrzhang/zulip,dhcrzf/zulip,eeshangarg/zulip,tommyip/zulip,rht/zulip,hackerkid/zulip,dhcrzf/zulip,andersk/zulip,punchagan/zulip,jackrzhang/zulip,rht/zulip,brainwane/zulip,rht/zulip,shubhamdhama/zulip,andersk/zulip,brainwane/zulip,hackerkid/zulip,kou/zulip,showell/zulip,brainwane/zulip,shubhamdhama/zulip,dhcrzf/zulip,synicalsyntax/zulip,kou/zulip,zulip/zulip,dhcrzf/zulip,showell/zulip,timabbott/zulip,eeshangarg/zulip,showell/zulip,dhcrzf/zulip,showell/zulip,shubhamdhama/zulip,jackrzhang/zulip,kou/zulip,synicalsyntax/zulip,andersk/zulip,tommyip/zulip,dhcrzf/zulip,timabbott/zulip,andersk/zulip,rht/zulip,synicalsyntax/zulip,shubhamdhama/zulip,shubhamdhama/zulip,tommyip/zulip,andersk/zulip,brainwane/zulip