Update dependencies

Hand-picked some dependencies to update. Looks pretty safe?

- anyhow
- base64
- [email protected]
- flate2
- git2
- libgit2-sys
- log
- openssl
- pkg-config
- proptest
- pulldown-cmark
- serde
- serde_json
- snapbox
- tempfile
- time
- toml
- toml_edit
- url

Author: weihanglo