docs: Recommend yarn install over yarn upgrade.
docs: Recommend yarn install over yarn upgrade.

For most updates to our dependencies, we want the more conservative
yarn install.

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