REL/DOC: release notes v8.2.0

[tangkong]

Description

Ran release notes script

Motivation and Context

🏷️

How Has This Been Tested?

make html

Where Has This Been Documented?

This is docs

Pre-merge checklist

• Code works interactively
• Code contains descriptive docstrings, including context and API
• New/changed functions and methods are covered in the test suite where possible
• Test suite passes locally
• Test suite passes on GitHub Actions
• Ran docs/pre-release-notes.sh and created a pre-release documentation page
• Pre-release docs include context, functional descriptions, and contributors as appropriate

[ZLLentz]

Some minor proofing