Update base-x86_64.yml

Author: apinske

.github/workflows/base-x86_64.yml

@@ -10,8 +10,8 @@ jobs:
       uses: actions/cache@v2
       with:
         path: macos/linux-5.9.13
-        key: cache-x86_64-3
-        restore-keys: cache-x86_64-2
+        key: cache-x86_64-4
+        restore-keys: cache-x86_64-3
     - name: Build
       run: cd macos && sudo ARCH=x86_64 ./build.sh && tar czf virt.tar.gz vmlinuz vda.img
     - name: Upload Artifacts