install: Make sure the en_US.UTF-8 locale is available.
install: Make sure the en_US.UTF-8 locale is available.

We need to make sure the en_US.UTF-8 locale has been generated before
setting the locale via the environment.

Fixes part of #9946.

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