Rename server-use to watcloud-use in docs (#2928)

This Discord channel was renamed a while ago. This PR updates our
documentation to reflect this.

pages/docs/compute-cluster/machine-usage-guide.mdx

@@ -140,7 +140,7 @@ export OMP_NUM_THREADS=4
 We try to keep the machines in the cluster up and running at all times. However, we do need to perform regular maintenance to keep the machines
 up-to-date and our services running smoothly. All scheduled maintenance will be announced in the
 [infrastructure-support repo](https://github.com/WATonomous/infrastructure-support/discussions)[^maintenance-notify]. Emergency maintenance and maintenance
-that has little effect on user experience will be announced in the `#server-use` channel on Discord.
+that has little effect on user experience will be announced in the `#🌩-watcloud-use` channel on Discord.
 
 [^maintenance-notify]: The GitHub team `@WATonomous/watcloud-compute-cluster-users` will be notified.  Please ensure that you
 [enable notifications](https://docs.github.com/en/account-and-profile/managing-subscriptions-and-notifications-on-github/setting-up-notifications/configuring-notifications)
@@ -149,7 +149,7 @@ to receive these notices.
 Sometimes, the machines in the cluster may go down unexpectedly due to hardware failures or power outages. We have a comprehensive suite of
 healthchecks and internal monitoring tools to detect these failures and notify us. However, due to the part-time nature of the student team, we may not
 be able to respond to these failures immediately. If you notice that a machine is down, please restlessly ping the WATcloud team on Discord
-(`@WATcloud` or `@WATcloud Leads`, in the `#server-use` channel).
+(`@WATcloud` or `@WATcloud Leads`, in the `#🌩-watcloud-use` channel).
 
 To see if a machine is having issues, please visit [status.watonomous.ca](https://status.watonomous.ca). The WATcloud team uses this page as
 a dashboard to monitor the health of the machines in the cluster.

pages/docs/compute-cluster/support-resources.mdx

@@ -6,5 +6,5 @@ import { Link } from 'nextra-theme-docs'
 Having trouble accessing the compute resources? Exhausted all the documentation and still can't figure it out?
 We are here to help! Please reach out to us via one of the following methods (in order of preference):
 
-- <Link href={`https://discord.gg/${websiteConfig.discord_invite_code}`}>Discord</Link> (`#server-use` channel)
-- [email protected]
+- <Link href={`https://discord.gg/${websiteConfig.discord_invite_code}`}>Discord</Link> (`#🌩-watcloud-use` channel)
+- [email protected]