RUSTSEC-2021-0141: dotenv is Unmaintained

> dotenv is Unmaintained

| Details | |
| ------------------- | ---------------------------------------------- |
| Status | unmaintained |
| Package | `dotenv` |
| Version | `0.15.0` |
| URL | [https://github.com/dotenv-rs/dotenv/issues/74](https://github.com/dotenv-rs/dotenv/issues/74) |
| Date | 2021-12-24 |

dotenv by description is meant to be used in development or testing only.

Using this in production may or may not be advisable.

## Alternatives

The below may or may not be feasible alternative(s):
- [dotenvy](https://crates.io/crates/dotenvy)

See [advisory page](https://rustsec.org/advisories/RUSTSEC-2021-0141.html) for additional details.

Read the RUSTSEC-2021-0141 advisory and inspect the repository's dependency declaration for dotenv 0.15.0. Determine whether dotenvy is a feasible replacement, then verify that the project builds and its existing tests pass without the unmaintained dependency.

Written by the indexing model from the issue text.