ci: use active Lua for busted

Author: haithium

.github/workflows/ci.yml

@@ -19,17 +19,11 @@ jobs:
       matrix:
         include:
           - lua-version: "5.1"
-            lua-bin: "lua5.1"
           - lua-version: "5.2"
-            lua-bin: "lua5.2"
           - lua-version: "5.3"
-            lua-bin: "lua5.3"
           - lua-version: "5.4"
-            lua-bin: "lua5.4"
           - lua-version: "5.5"
-            lua-bin: "lua5.5"
           - lua-version: "luajit"
-            lua-bin: "luajit"
 
     runs-on: ubuntu-latest
 
@@ -57,4 +51,4 @@ jobs:
           sudo chmod 666 /dev/uinput
 
       - name: Test
-        run: busted --lua "${{ matrix.lua-bin }}"
+        run: busted