bump find-cache-dir to v4

[JLHwung]

Please Read the CONTRIBUTING Guidelines In particular the portion on Commit Message Formatting

Please check if the PR fulfills these requirements

• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

• [ ] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [x] Other... Please describe: Bump find-cache-dir to v4

What is the current behavior? (You can also link to an open issue here)

The current find-cache-dir depends on make-dir which depends on semver@6.3.0.

What is the new behavior?

Behaviour is not changed.

Does this PR introduce a breaking change?

• [ ] Yes
• [x] No

If this PR contains a breaking change, please describe the following...

• Impact:
• Migration path for existing applications:
• Github Issue(s) this is regarding:

Other information: Closes #994