Add xmake cache folder

.github/workflows/msys2-build.yml

@@ -33,7 +33,7 @@ jobs:
 
     steps:
     - name: Get current date as package key
-      id: pkg_key
+      id: cache_key
       shell: bash
       run: echo "key=$(date +'%W')" >> $GITHUB_OUTPUT
 
@@ -57,7 +57,7 @@ jobs:
       id: xmake_cache
       with:
         path: ${{ github.workspace }}/xmake_git
-        key: MinGW-XMake-W${{ steps.pkg_key.outputs.key }}
+        key: MinGW-XMake-W${{ steps.cache_key.outputs.key }}
 
     # Build xmake
     - name: Setup xmake
@@ -88,7 +88,7 @@ jobs:
       uses: actions/cache@v3
       with:
         path: ${{ env.XMAKE_GLOBALDIR }}/.xmake/packages
-        key: MinGW-${{ matrix.arch }}-${{ matrix.mode }}-${{ steps.dep_hash.outputs.hash }}-W${{ steps.pkg_key.outputs.key }}
+        key: MinGW-${{ matrix.arch }}-${{ matrix.mode }}-${{ steps.dep_hash.outputs.hash }}-W${{ steps.cache_key.outputs.key }}
 
     # Setup compilation mode and install project dependencies
     - name: Configure xmake and install dependencies