Upgrade to solarium to 8.0 & Auth

[peterzaccha]

Description

• Upgrade solarium to 8.0
• Add authentication option

Motivation and context

fix #6 fix #5

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have read the CONTRIBUTING document.
• My pull request addresses exactly one patch/feature.
• I have created a branch for this patch/feature.
• Each individual commit in the pull request is meaningful.
• I have added tests to cover my changes.
• If my change requires a change to the documentation, I have updated it accordingly.

[rollsappletree]

any plan on releasing this PR?
I would be interested in updating this lib in my project