ci: scons save condition was flipped

old-commit-hash: 579994ced9

.github/workflows/selfdrive_tests.yaml

@@ -159,7 +159,7 @@ jobs:
       # TODO: Change the version to the released version when https://github.com/actions/cache/pull/489 (or 571) is merged.
       uses: actions/cache@03e00da99d75a2204924908e1cca7902cafce66b
       env:
-        CACHE_SKIP_SAVE: ${{ github.ref == 'refs/heads/master' && github.repository == 'commaai/openpilot' }}
+        CACHE_SKIP_SAVE: ${{ github.ref != 'refs/heads/master' || github.repository != 'commaai/openpilot' }}
       with:
         path: /tmp/scons_cache
         key: scons-${{ hashFiles('.github/workflows/selfdrive_tests.yaml') }}-${{ steps.date.outputs.time }}