Reverts environment parsing of config arrays to use indexed names
instead of joining them with double newlines.  That change appears to
have been introduced when the enviromnent values were added back into
npm, but not in the same way they were done before.

Fixes: npm/cli#3775

---------

Co-authored-by: siemhesda <[email protected]>

🤖 I have created a release *beep* *boop*
---


## [7.0.4](v7.0.3...v7.0.4)
(2024-01-22)

### Bug Fixes

*
[`7ebc853`](7ebc853)
[#194](#194) envs: revert behavior
of array in npm config (#194) (@wraithgar, @siemhesda)
*
[`bf5f419`](bf5f419)
[#192](#192) code formatting
(@wraithgar)
*
[`b6f7f93`](b6f7f93)
[#192](#192) remove unreachable
code path (@wraithgar)
*
[`865d556`](865d556)
[#192](#192) remove is-windows
test fixture code from module (@wraithgar)
*
[`c47a91a`](c47a91a)
[#192](#192) update code to use
@npmcli/run-script (@wraithgar)

### Dependencies

*
[`648b0ed`](648b0ed)
[#192](#192) remove
read-package-json-fast
*
[`04a4600`](04a4600)
[#192](#192) add
`@npmcli/[email protected]`

### Chores

*
[`155c434`](155c434)
[#192](#192) rewrite tests
(@wraithgar)
*
[`64a3503`](64a3503)
[#192](#192) add spawk
(@wraithgar)
*
[`b47b660`](b47b660)
[#192](#192) remove require-inject
(@wraithgar)

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>