ci: streamline cache flow

Author: santimorph

.github/workflows/ci.yml

@@ -28,9 +28,9 @@ jobs:
 
     - uses: luarocks/gh-actions-luarocks@master
 
-    - name: Restore cached LuaRocks packages
+    - name: Cache LuaRocks packages
       id: cache
-      uses: actions/cache/restore@v4
+      uses: actions/cache@v4
       with:
         path: ${{ runner.os == 'Windows' && 'C:\\Users\\runneradmin\\AppData\\Roaming\\luarocks' || format('{0}/.luarocks', github.workspace) }}
         key: ${{ runner.os }}-luarocks-${{ matrix.lua-version }}-${{ hashFiles('**/luarocks.lock') }}
@@ -44,10 +44,3 @@ jobs:
         luarocks lint tl-dev-1.rockspec
         make selfbuild
         luarocks test
-
-    - name: Save LuaRocks packages
-      if: steps.cache.outputs.cache-hit != 'true'
-      uses: actions/cache/save@v4
-      with:
-        path: ${{ runner.os == 'Windows' && 'C:\\Users\\runneradmin\\AppData\\Roaming\\luarocks' || format('{0}/.luarocks', github.workspace) }}
-        key: ${{ runner.os }}-luarocks-${{ matrix.lua-version }}-${{ hashFiles('**/luarocks.lock') }}