CLI does not parse .env files with multi line variables at all

[Bertg]

Describe the bug

I get a Malformed entry when trying to run the latest cli version. I can confirm that this issue also exists in 3.19.4.

❌ Malformed entry MIIEpQIBAAKCAQEAr9jabmSaRKcaf7KK8qmWWDQdU3+fjVuYNFLGiRXQl+o3HyaG

We an .env file at the root of our project. The part of the file where it seems to trip up on is:

FILE_DOWNLOAD_RSA_KEY='-----BEGIN RSA PRIVATE KEY-----
MIIEpQIBAAKCAQEAr9jabmSaRKcaf7KK8qmWWDQdU3+fjVuYNFLGiRXQl+o3HyaG
...

To Reproduce

1. Setup a crowdin project
2. Add a .env file at the root, containing a multi line variable, encompassed by single quotes.
3. Run crowdin download for example

Expected behavior

The commands should just work

Environment:

• OS: Mac OS (latest)
• Version: 4.0.0

Additional context

This issue is derived from an issue first reported in crowding/github-action