(CAT-2007) Use vendored cert files and VERIFY_PEER wth NET::HTTP on Windows

[david22swan]

Link to successful test chain: https://jenkins-platform.delivery.puppetlabs.net/view/PDK/view/pdk-vanagon/job/platform_pdk_pdk-van-init_main/912/

Checklist

• [x] 🟢 Spec tests.
• [x] 🟢 Acceptance tests.
• [x] Manually verified.

[codecov[bot]]

Codecov Report

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

Project coverage is 88.49%. Comparing base (684600b) to head (c857683). Report is 2 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1396 +/- ## ======================================= Coverage 88.49% 88.49% ======================================= Files 127 127 Lines 5329 5329 ======================================= Hits 4716 4716 Misses 613 613 ```

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