microstrain_3dmgx2_imu: 1.5.12-0 in 'hydro/release.yaml' [bloom]

Increasing version of package(s) in repository `microstrain_3dmgx2_imu`:
- previous version: `1.5.11-0`
- new version: `1.5.12-0`
- distro file: `hydro/release.yaml`
- bloom version: `0.4.4`