Cargo audit informs a possibility of a vulnerability

[jaudiger]

From cargo audit checking:

Fetching advisory database from `https://github.com/RustSec/advisory-db.git`
      Loaded [39](https://gitlab.com/my_project/-/jobs/2118924918#L39)8 security advisories (from my_project/.cargo/advisory-db)
    Updating crates.io index
    Updating crates.io index
    Scanning Cargo.lock for vulnerabilities (260 crate dependencies)
Crate:         chrono
Version:       0.4.19
Title:         Potential segfault in `localtime_r` invocations
Date:          2020-11-10
ID:            RUSTSEC-2020-0159
URL:           https://rustsec.org/advisories/RUSTSEC-2020-0159
Solution:      No safe upgrade is available!
Dependency tree: 
chrono 0.4.19
└── shadow-rs 0.8.1

[daniel-white]

simplelog replaced their implementation with time-rs

[baoyachi]

@daniel-white see

• Update the chrono dependency #89
• Consider replacing the chrono crates with security  #72

[baoyachi]

Now, fix with #99.

Upgarde shadow-rs version

...
[dependencies]
shadow-rs = "0.13.0"
...

[baoyachi]

Close now, and reopen it if there is a problem.