[jaeger] feat: specify ingress pathType as variable ✨

[meysam81]

What this PR does

It adds the option for the user to specify the ingress pathType because the current implementation is very inflexible.

Which issue this PR fixes

• fixes #423
• fixes #435

Checklist

• [x] DCO signed
• [x] Commits are GPG signed
• [x] Chart Version bumped
• [x] Title of the PR starts with chart name ([jaeger] or [jaeger-operator])
• [ ] README.md has been updated to match version/contain new values

[meysam81]

This is the fastest and shortest-taking time I've ever had for contributing to an opensource project :) Appreciated @pavelnikolov :heart:

[pavelnikolov]

You're welcome! Thank you for the contribution.