Set Amplify project ENV variables/secrets with CLI or BASH (not using the Console)?

**Which Category is your question related to?**

General - project-level

**Amplify CLI Version**

v9.1.0

**What AWS Services are you utilizing?**

Nothing right now.

**Provide additional details e.g. code snippets. _Be sure to remove any sensitive data._**

I want to be able to set environment variables or secrets for my Amplify environment, directly from my terminal (either through the amplify-cli, or through bash/a script).

Any way to achieve this?