#feature/tag-similar-to-foundation-head-dev: removed confusing siteco…

[navancommits]

Since this is XMC project, removed confusing sitecore version-based tag and updated solr version based on foundation dev head project

Description / Motivation

This is confusing since XMC is independent of Sitecore version-based release

How Has This Been Tested?

Did a container up and start:

Types of changes

• [x] 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:

• [x] I have read the Contributing guide.
• [x] My code/comments/docs fully adhere to the Code of Conduct.
• [ ] My change is a code change.
• [ ] My change is a documentation change and there are NO other updates required.