Anticipating a build for this device at some point.
Motorola Moto G Fast
Model: XT2045-3
Type: M4F28
Code Name: RAV
The device doesn’t seem to be listed on LineageOS, but I found this link with a LineageOS 18.1 ROM and installation instructions for this device.
getdroidtips . com / lineage-os-18-1-moto-g-fast/