bump to holochain 0.7.0-dev.25, hdk 0.7.0-dev.17, hdi 0.8.0-dev.12

- holochain_serialized_bytes 0.0.56 -> 0.0.57; fixt dev-dep 0.7.0-dev.0 -> 0.7.0-dev.1
- rename wasmer_sys feature to wasmer-sys-cranelift (split in dev.25)
- update holonix flake for Rust 1.95 (required by holochain's cfg_select! usage)

Author: zippy