fixup workflow condition

Author: Wasabi375

.github/workflows/ci.yml

@@ -69,7 +69,7 @@ jobs:
       - name: Run api tests
         run: cargo test -p bootloader_api
       - name: Run bootloader common tests
-        if: runner.os == 'Linux'
+        if: runner.arch == 'x86'
         run: cargo test -p bootloader-x86_64-common
       - name: Run integration tests
         run: cargo test -- --test-threads 1