Use "semiautomated" (no hyphen)

Per FPF style, and also what we'll be using in all other communications
with admins and journalists.

Author: legoktm

docs/admin/maintenance/noble_migration.rst

@@ -7,13 +7,13 @@ as it has been fully automated.
 
 Administrators have two options, on the following timeline:
 
-* **semi-automated, through March 21, 2025:** Administrators can manually trigger the upgrade and observe the process.
+* **semiautomated, through March 21, 2025:** Administrators can manually trigger the upgrade and observe the process.
 * **fully automated, after March 21, 2025:** The SecureDrop team will push an update in mid- to late-March that automatically
   begins the upgrade process on all servers.
 
 The fully automated upgrade is the simplest option, as it requires no action on your part.
 
-We recommend the semi-automated upgrade for larger instances or if you have a non-standard setup as
+We recommend the semiautomated upgrade for larger instances or if you have a non-standard setup as
 the upgrade will happen whenever you choose it, so you will already be available in case something goes
 wrong during the process.
 
@@ -47,7 +47,7 @@ take place shortly after your selected automated restart time, which you can adj
 
 If you have any questions, please reach out to Support.
 
-Semi-automated upgrade
+Semiautomated upgrade
 ----------------------
 
 We recommend setting aside at least an hour for this process.
@@ -72,15 +72,15 @@ Journalist Interface and download submissions.
 Fully automated upgrade
 -----------------------
 
-If you have not performed the semi-automated upgrade by March 21, 2025, the SecureDrop team
-will push an update that begins an automated upgrade. This is the same code as the semi-automated
+If you have not performed the semiautomated upgrade by March 21, 2025, the SecureDrop team
+will push an update that begins an automated upgrade. This is the same code as the semiautomated
 process, just initiated differently.
 
 Servers will be upgraded in batches at a pace set by the SecureDrop team.
 
 Because of some technical limitations, when the upgrade of the app server takes place, you will
 receive a significant amount of OSSEC email alerts because of the changes being made. These are okay
-to ignore (if you use the semi-automated upgrade, these alerts are suppressed).
+to ignore (if you use the semiautomated upgrade, these alerts are suppressed).
 
 Technical details and debugging
 -------------------------------

docs/admin/maintenance/noble_migration_prep.rst

@@ -3,7 +3,7 @@ Preparing for the Ubuntu 24.04 (Noble) migration
 
 In 2025, SecureDrops will need to be upgraded to the newer Ubuntu 24.04 (Noble)
 operating system. This process will be more straightforward than in the past
-as there will be semi-automated and fully automated upgrade processes.
+as there will be semiautomated and fully automated upgrade processes.
 
 At this time, the current focus is on ensuring all SecureDrop servers are in a good state
 to be ready for the migration. SecureDrop will automatically check some conditions, and report