Speedup CI: Use macos-14 instead of macos-latest

macos-14 uses M1, it's much faster than macos-latest

Signed-off-by: Jiahao XU <[email protected]>

Author: NobodyXu

.github/workflows/main.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         rust: ["1.63", stable, beta, nightly]
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, macos-14, windows-latest]
     steps:
     - uses: actions/checkout@master
     - name: Install Rust (rustup)