Bump thirdparty/cppzmq from c94c207 to 945d60c (#155)

Bumps [thirdparty/cppzmq](https://github.com/zeromq/cppzmq) from `c94c207` to `945d60c`.
- [Release notes](https://github.com/zeromq/cppzmq/releases)
- [Commits](zeromq/cppzmq@c94c207...945d60c)

---
updated-dependencies:
- dependency-name: thirdparty/cppzmq
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>