fix cache

Change-Id: Ia5725bf81c8b19845112cac329ec36bf42cd3b57

Author: Ryo-not-rio

.github/workflows/aarch64-acl.yml

@@ -66,6 +66,7 @@ jobs:
           ninjaVersion: 1.12.0
 
       - name: Install Scons
+        if: ${{ matrix.config.name == 'MacOS' }}
         uses: threeal/pipx-install-action@b0bf0add7d5aefda03a3d4e47d651df807889e10 # v1.0.0
         with:
           packages: scons