chore: use macos-13

Author: wudidapaopao

.github/workflows/chdb.yml

@@ -32,7 +32,7 @@ jobs:
       run: ./chdb-go "SELECT 12345"
 
   build_mac:
-    runs-on: macos-15
+    runs-on: macos-13
     steps:
     - uses: actions/checkout@v3
     - name: Fetch library

.github/workflows/release.yml

@@ -35,7 +35,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.ACTION }}
 
   build_mac:
-    runs-on: macos-15
+    runs-on: macos-13
     steps:
     - uses: actions/checkout@v3
     - name: Fetch library