docs: Shorten "Outreach programs" section in contributor guide.
docs: Shorten "Outreach programs" section in contributor guide.

zulip/zulip,andersk/zulip,andersk/zulip,andersk/zulip,zulip/zulip,andersk/zulip,zulip/zulip,andersk/zulip,andersk/zulip,andersk/zulip,zulip/zulip,zulip/zulip,zulip/zulip,zulip/zulip