[Build] Use syslibs for nightly snap builds
[Build] Use syslibs for nightly snap builds

Depends currently doesn't support non-x86_64 linux builds for the rust
dependency, so switch our nightly snap builds to use syslibs instead of
depends.

Darknet-Crypto/Darknet,PIVX-Project/PIVX,Darknet-Crypto/Darknet,PIVX-Project/PIVX,PIVX-Project/PIVX,PIVX-Project/PIVX,PIVX-Project/PIVX,Darknet-Crypto/Darknet,Darknet-Crypto/Darknet,PIVX-Project/PIVX,Darknet-Crypto/Darknet,Darknet-Crypto/Darknet,PIVX-Project/PIVX,PIVX-Project/PIVX,PIVX-Project/PIVX