Complete the conditional branches.

tasks/general/acct_mgmt/users.yml

@@ -568,8 +568,11 @@
             dev_exists="$?"
             if [[ "$dev_exists" == 0 ]]; then
               git switch dev
-            else
+            elif [[ "$dev_exists" == 2 ]]; then
               git switch main
+            else
+              echo "ERROR: Unknown status for dev_exists, '$dev_exists'."
+              continue
             fi
             git pull
             git push