feat(parameters): add clearCaches function

[dreamorosi]

Description of your changes

As described in the linked issue, there's a need for a clearCaches helper function in the Parameters utility so that users can easily control cache eviction when testing code that uses the utility.

This PR introduces the function as part of the BaseProvider and adds unit tests for it. Once merged this PR will close #1381.

How to verify this change

See new unit tests in the PR checks.

Related issues, RFCs

Issue number: #1381

Checklist

• My changes meet the tenets criteria
• I have performed a self-review of my own code
• I have commented my code where necessary, particularly in areas that should be flagged with a TODO, or hard-to-understand areas
• I have made corresponding changes to the documentation
• I have made corresponding changes to the examples
• My changes generate no new warnings
• The code coverage hasn't decreased
• I have added tests that prove my change is effective and works
• New and existing unit tests pass locally and in Github Actions
• Any dependent changes have been merged and published
• The PR title follows the conventional commit semantics

Breaking change checklist

Is it a breaking change?: NO

• I have documented the migration process
• I have added, implemented necessary warnings (if it can live side by side)

---

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

Disclaimer: We value your time and bandwidth. As such, any pull requests created on non-triaged issues might not be successful.