include luaJIT version in linux build matrix

Author: Robert Masen

.github/workflows/test.yml

@@ -6,7 +6,7 @@ jobs:
   test:
     strategy:
       matrix:
-        luaVersion: ["5.1.5", "5.2.4", "5.3.5"]
+        luaVersion: ["5.1.5", "5.2.4", "5.3.5", "luajit-2.0.5", "luajit-2.1.0-beta3"]
         os: [macOs-latest, ubuntu-latest]
 
     runs-on: ${{ matrix.os }}