Update soup

2.3.300

salt/common/tools/sbin/soup

@@ -398,6 +398,8 @@ clone_to_tmp() {
   SOUP_BRANCH=""
   if [ -n "$BRANCH" ]; then
     SOUP_BRANCH="-b $BRANCH"
+  else
+    SOUP_BRANCH="-b 2.3/main"
   fi
   git clone $SOUP_BRANCH https://github.com/Security-Onion-Solutions/securityonion.git
   cd /tmp
@@ -1761,8 +1763,8 @@ if [[ -z $UNATTENDED ]]; then
 
 SOUP - Security Onion UPdater
 
-**WARNING** Security Onion 2.3 reaches End Of Life (EOL) on April 6, 2024.
-Please make plans to migrate to Security Onion 2.4:
+**WARNING** Security Onion 2.3 is now End Of Life (EOL) as of April 6, 2024.
+Please migrate to Security Onion 2.4:
 https://blog.securityonion.net/2023/10/6-month-eol-notice-for-security-onion-23.html
 
 Please review the following for more information about the update process and recent updates: