fix: spelling error in estimated

Author: Gum-Joe

email/mailmerge/src/pipelines/send.ts

@@ -130,7 +130,7 @@ Check that:
 3. You have tested the system beforehand
 4. All indications this is a test have been removed
 
-You are about to send ${emailsNumberDisplay} emails. The esitmated time for this is ${
+You are about to send ${emailsNumberDisplay} emails. The estimated time for this is ${
             ((3 + (options.sleepBetween ?? DEFAULT_SLEEP_BETWEEN)) * emailsNumberDisplay) / 60 / 60
         } hours.
 

email/mailmerge/src/pipelines/uploadDrafts.ts

@@ -107,7 +107,7 @@ export async function uploadDrafts(
     3. You have tested the system beforehand
     4. All indications this is a test have been removed
 
-    You are about to upload ${pendingEmails.length} emails. The esitmated time for this is ${
+    You are about to upload ${pendingEmails.length} emails. The estimated time for this is ${
             ((5 + sleepBetween) * pendingEmails.length) / 60 / 60
         } hours.