Update checkout action to v4 in build-static.yml

Author: khb7840

.github/workflows/build-static.yml

@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Configure CMake
       run: |