Add Lua 5.4 to test matrices

.github/workflows/luacheck.yml

@@ -0,0 +1,27 @@
+name: Luacheck
+
+on: [push, pull_request]
+
+jobs:
+  luacheck:
+    strategy:
+      fail-fast: false
+      matrix:
+        luaVersion: ["5.3"]
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Setup Lua
+      uses: leafo/gh-actions-lua@v6
+      with:
+        luaVersion: ${{ matrix.luaVersion }}
+    - name: Setup Lua Rocks
+      uses: leafo/gh-actions-luarocks@v2
+    - name: Setup dependencies
+      run: |
+        luarocks install luacheck
+    - name: Run Code Linter
+      run: luacheck .

.travis.yml

@@ -5,6 +5,7 @@ env:
   - LUA="lua 5.1"
   - LUA="lua 5.2"
   - LUA="lua 5.3"
+  - LUA="lua 5.4"
   - LUA="luajit 2.0"
   - LUA="luajit 2.0 --compat 5.2"
   - LUA="luajit 2.1"
@@ -14,14 +15,12 @@ before_install:
   - pip install hererocks
   - hererocks here -r^ --$LUA
   - source here/bin/activate
-  - luarocks install luacheck
 
 install:
   - luarocks make
   - luarocks install luacov-coveralls
 
 script:
-  - luacheck .
   - lua run.lua tests --luacov
 
 after_success:

appveyor.yml

@@ -5,6 +5,7 @@ environment:
   - LUA: "lua 5.1"
   - LUA: "lua 5.2"
   - LUA: "lua 5.3"
+  - LUA: "lua 5.4"
   - LUA: "luajit 2.0"
   - LUA: "luajit 2.0 --compat 5.2"
   - LUA: "luajit 2.1"