Update version numbers for upgrade scripts

salt/manager/tools/sbin/soup

@@ -375,16 +375,18 @@ postupgrade_changes() {
 }
 
 ### 3.0.0 Scripts ###
-up_to_3.0.0() {
-  echo "Nothing to do for 2.4.3"
 
-  INSTALLEDVERSION=2.4.3
+up_to_3.0.0() {
+  determine_elastic_agent_upgrade()
+
+  INSTALLEDVERSION=3.0.0
 }
 
 post_to_3.0.0() {
   echo "Nothing to apply"
-  POSTVERSION=2.4.3
+  POSTVERSION=3.0.0
 }
+
 ### 3.0.0 End ###
 
 repo_sync() {