Fix upgrades available message

The string that needs parsing when checking for upgrades is different when using dnf5.

This change should introduced for Fedora 41 and 42, which use dnf5 by default.

Signed-off-by: Manuel Fombuena <mfombuena@innovara.tech>

Author: innovara

sysmotd/sysmotd

@@ -122,7 +122,7 @@ NEED_UPDATE="FALSE"
 [ -z "$(find "$updates" -newermt 'now-60 minutes' 2> /dev/null)" ] && NEED_UPDATE="TRUE"
 
 if [[ "$NEED_UPDATE" = "TRUE" ]]; then
-   n_updates=$(dnf update --assumeno --cacheonly --noplugins | awk '/^Upgrade/ {print $2;}')
+   n_updates=$(dnf update --assumeno --cacheonly --noplugins | awk '/^ Upgrading/ {print $2;}')
    if [[ $n_updates -eq 0 ]]; then
       echo -e "There were no updates available when last checked.\n" > $updates
    elif [[ $n_updates -eq 1 ]]; then