CI: Always use python3.13 (#629)

Latest mac runners have python 3.14, which does not work with SM.

Signed-off-by: Sam <[email protected]>

Author: sagudev

.github/workflows/build.yml

@@ -35,11 +35,11 @@ jobs:
       SCCACHE_GHA_ENABLED: "true"
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/setup-python@v6
+        with:
+          python-version: '3.13' 
       - name: Install deps
         run: |
-          # Unlink and re-link to prevent errors when github mac runner images
-          # https://github.com/actions/setup-python/issues/577
-          brew list -1 | grep python | while read formula; do brew unlink $formula; brew link --overwrite $formula; done
           brew install llvm yasm
       - uses: dtolnay/rust-toolchain@master
         id: toolchain