ci: refactor test workflow for multi-OS and Lua support

Updated the GitHub Actions workflow to run tests on multiple operating systems and Lua versions.

Author: haithium

.github/workflows/test.yml

@@ -1,15 +1,101 @@
-name: Tests
-# Runs Busted tests across supported platforms and Lua versions.
+name: Test
 
 on:
+  push:
+    paths:
+      - "src/**"
+      - "tests/**"
+      - "scripts/**"
+      - ".github/workflows/test.yml"
   pull_request:
+    paths:
+      - "src/**"
+      - "tests/**"
+      - "scripts/**"
+      - ".github/workflows/test.yml"
   workflow_dispatch:
 
 jobs:
-  tests:
-    uses: luamod/.github/.github/workflows/tests.yml@main
-    with:
-      lua_versions: '["luajit","5.1","5.2","5.3","5.4","5.5"]'
-      luarocks_deps: |
-        busted
-        inspect
+  test-unix:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        lua-version: ["5.1", "5.2", "5.3", "5.4", "5.5", "luajit"]
+
+    runs-on: ${{ matrix.os }}
+
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+      - uses: actions/checkout@v6
+
+      - uses: hishamhm/gh-actions-lua@master
+        with:
+          luaVersion: ${{ matrix.lua-version }}
+
+      - uses: hishamhm/gh-actions-luarocks@master
+        with:
+          luaRocksVersion: "3.13.0"
+
+      - name: Install dependencies
+        run: |
+          luarocks install busted
+          luarocks install inspect
+
+      - name: Build
+        run: luarocks make luarocks/mods-scm-1.rockspec
+
+      - name: Test
+        run: busted
+
+  test-windows:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - toolchain: msvc
+            lua-version: "5.1"
+          - toolchain: msvc
+            lua-version: "5.2"
+          - toolchain: msvc
+            lua-version: "5.3"
+          - toolchain: msvc
+            lua-version: "5.4"
+          - toolchain: msvc
+            lua-version: "5.5"
+          - toolchain: mingw
+            lua-version: "luajit"
+
+    runs-on: windows-latest
+
+    defaults:
+      run:
+        shell: pwsh
+
+    steps:
+      - uses: actions/checkout@v6
+
+      - if: ${{ matrix.toolchain == 'msvc' }}
+        uses: ilammy/msvc-dev-cmd@v1
+
+      - uses: hishamhm/gh-actions-lua@master
+        with:
+          luaVersion: ${{ matrix.lua-version }}
+
+      - uses: hishamhm/gh-actions-luarocks@master
+        with:
+          luaRocksVersion: "3.13.0"
+
+      - name: Install dependencies
+        run: |
+          luarocks install busted
+          luarocks install inspect
+
+      - name: Build
+        run: luarocks make luarocks/mods-scm-1.rockspec
+
+      - name: Test
+        run: busted