ci: add lua-language-server 3.9.1 (#2782)

* add lua-language-server 3.9.1

* remove lua-language-server 3.7.3

.github/workflows/ci.yml

@@ -67,7 +67,7 @@ jobs:
     strategy:
       matrix:
         nvim_version: [ stable, nightly ]
-        luals_version: [ 3.7.3 ]
+        luals_version: [ 3.9.1 ]
 
     steps:
       - uses: actions/checkout@v4

scripts/luals-check.sh

@@ -29,15 +29,11 @@ fi
 
 # any output is a fail
 case "${OUT}" in
-	*Diagnosis\ complete*)
-		if [ -f "${DIR_OUT}/check.json" ]; then
-			cat "${DIR_OUT}/check.json"
-			exit 1
-		else
+	*Diagnosis\ completed,\ no\ problems\ found*)
 		exit 0
-		fi
 		;;
 	*)
+		cat "${DIR_OUT}/check.json"
 		exit 1
 		;;
 esac