update actions/cache version

Author: haohaolee

.github/workflows/cmake.yml

@@ -22,10 +22,10 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       env:
         cache-name: cache-cpm-modules
       with: