Bump the rf24-submodules group across 1 directory with 3 updates (#84)

Bumps the rf24-submodules group with 3 updates in the / directory: [RF24](https://github.com/nRF24/RF24), [RF24Network](https://github.com/nRF24/RF24Network) and [RF24Mesh](https://github.com/nRF24/RF24Mesh).


Updates `RF24` from `bbffb50` to `3bbcce8`
- [Release notes](https://github.com/nRF24/RF24/releases)
- [Commits](nRF24/RF24@bbffb50...3bbcce8)

Updates `RF24Network` from `bdd05ae` to `81efd92`
- [Release notes](https://github.com/nRF24/RF24Network/releases)
- [Commits](nRF24/RF24Network@bdd05ae...81efd92)

Updates `RF24Mesh` from `2f5aea2` to `5fb9aeb`
- [Release notes](https://github.com/nRF24/RF24Mesh/releases)
- [Commits](nRF24/RF24Mesh@2f5aea2...5fb9aeb)

---
updated-dependencies:
- dependency-name: RF24
  dependency-type: direct:production
  dependency-group: rf24-submodules
- dependency-name: RF24Network
  dependency-type: direct:production
  dependency-group: rf24-submodules
- dependency-name: RF24Mesh
  dependency-type: direct:production
  dependency-group: rf24-submodules
...

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