Release 6.2.0

[aucampia]

Just making this to track process and unify discussion.

In brief, the plan is to push out 6.2.0 on 2022-07-15 or soon thereafter

Checklist

• Close issues that must be fixed before we can release
  • Addition of override argument to rdflib.store.Store.bind breaks compatibility #1880
    • PR: Fallback to old Store.bind signature on TypeError #2018
• Create release notes (I'm working on this now)
• Update documentation
• Tag and publish
• Announce release

CC: @RDFLib/core-reviewers

[aucampia]

PR to update release notes and documentation is here: #2023

[aucampia]

Will announce once someone publishes to pypi.