Use a faster and newer LuaCheck

.github/workflows/build.yml

@@ -1,11 +0,0 @@
-on: [push, pull_request]
-name: build
-jobs:
-  lint:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@master
-      - name: lint
-        uses: Roang-zero1/factorio-mod-luacheck@master
-        with:
-          luacheckrc_url: ""

.github/workflows/luacheck.yml

@@ -0,0 +1,10 @@
+name: luacheck
+on: [push, pull_request]
+jobs:
+  luacheck:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Luacheck
+        uses: lunarmodules/luacheck@master

README.md

@@ -1,4 +1,4 @@
-# Library Mount [![Build status](https://github.com/minetest-mods/lib_mount/workflows/build/badge.svg)](https://github.com/minetest-mods/lib_mount/actions) [![License](https://img.shields.io/badge/license-LGPLv2.1%2B-blue.svg)](https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html) [![ContentDB](https://content.minetest.net/packages/Panquesito7/lib_mount/shields/downloads/)](https://content.minetest.net/packages/Panquesito7/lib_mount/)
+# Library Mount [![LuaCheck status](https://github.com/minetest-mods/lib_mount/workflows/luacheck/badge.svg)](https://github.com/minetest-mods/lib_mount/actions) [![License](https://img.shields.io/badge/license-LGPLv2.1%2B-blue.svg)](https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html) [![ContentDB](https://content.minetest.net/packages/Panquesito7/lib_mount/shields/downloads/)](https://content.minetest.net/packages/Panquesito7/lib_mount/)
 
 Made by [blert2112](https://github.com/blert2112).\
 Handed over to [Panquesito7](https://github.com/Panquesito7).