fixup! tools: reuse V8 builds even without Cachix

Author: aduh95

configure.py

@@ -2951,3 +2951,5 @@ def make_bin_override():
   os.path.isfile('./compile_commands.json') and os.unlink('./compile_commands.json')
   shutil.copy2('./out/' + config['BUILDTYPE'] + '/compile_commands.json', './compile_commands.json')
 info('configure completed successfully')
+
+# Small change to invalidate V8.nix cache