upgrade CI runner from macos-12 to macos-13

Author: qmuntal

.github/workflows/test.yml

@@ -69,7 +69,7 @@ jobs:
       matrix:
         go-version: [1.20.x]
         openssl-version: [libcrypto.3.dylib]
-    runs-on: macos-12
+    runs-on: macos-13
     steps:
     - name: Install Go
       uses: actions/setup-go@v3