Update version number to v4.2.88

Author: moraroy

NonSteamLaunchers.sh

@@ -93,7 +93,7 @@ fi
 exec > >(tee -a "$log_file") 2>&1
 
 # Version number (major.minor)
-version=v4.2.87
+version=v4.2.88
 #NSL Decky Plugin Latest Github Version
 deckyversion=$(curl -s https://raw.githubusercontent.com/moraroy/NonSteamLaunchersDecky/refs/heads/main/package.json | grep -o '"version": "[^"]*' | sed 's/"version": "//')