fix top level error wrap

[ltitanb]

Error in config parsing are now bubbled up to the user.

Before

Initializing Commit-Boost with config file: config.example.toml
Error: could not deserialize toml from string

Now

Initializing Commit-Boost with config file: config.example.toml
Error:
   0: could not deserialize toml from string
   1: TOML parse error at line 16, column 7
   1:    |
   1: 16 | url = "http://[email protected]"
   1:    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   1: odd number of digits
   1:

Location:
   crates/common/src/config/utils.rs:22