Bump third-party/moonlight-common-c from d3cb813 to c9426a6

Bumps [third-party/moonlight-common-c](https://github.com/moonlight-stream/moonlight-common-c) from `d3cb813` to `c9426a6`.
- [Release notes](https://github.com/moonlight-stream/moonlight-common-c/releases)
- [Commits](moonlight-stream/moonlight-common-c@d3cb813...c9426a6)

---
updated-dependencies:
- dependency-name: third-party/moonlight-common-c
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>