Write data synchronously in CCE for monotomic times in output

[knelli2]

Proposed changes

Use a local synchronous action instead of a threaded action. We still have the option to use a threaded action, you just have to specify a template bool.

Upgrade instructions

Code review checklist

• The code is documented and the documentation renders correctly. Run
  make doc to generate the documentation locally into BUILD_DIR/docs/html.
  Then open index.html.
• The code follows the stylistic and code quality guidelines listed in the
  code review guide.
• The PR lists upgrade instructions and is labeled bugfix or
  new feature if appropriate.

Further comments

[nilsdeppe]

Thank you :D