Fix consumption from Next.js client components

[wKovacs64]

Apparently, process exists but .versions.node does not. Next.js may be doing something weird with process so we'll just be more cautious when testing for Node.js v18 in the fetch polyfill.

Fixes #463

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: eda2c27afae33ddaedd884d901ac73621a7090f1

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ---- | ----- | | hibp | Patch |

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (b2901eb) to head (eda2c27).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #464 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 15 15 Lines 1194 1195 +1 Branches 31 31 ========================================= + Hits 1194 1195 +1 ``` | [Files](https://app.codecov.io/gh/wKovacs64/hibp/pull/464?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Justin+Hall) | Coverage Δ | | |---|---|---| | [src/api/fetch-polyfill.ts](https://app.codecov.io/gh/wKovacs64/hibp/pull/464?src=pr&el=tree&filepath=src%2Fapi%2Ffetch-polyfill.ts&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Justin+Hall#diff-c3JjL2FwaS9mZXRjaC1wb2x5ZmlsbC50cw==) | `100.00% <100.00%> (ø)` | |