Update official release to v8.2.93

[fharbe]

Looks like UI has promoted 8.2.93 to stable/official a few days ago 🎉

Changes proposed in this pull request:

• Create 8.2/official - v8.2.93
• Promote 8.2.93 official to latest
• Tag 8.2.93 release
• Create GitHub Actions workflow to build 8.1 official release

@goofball222

[goofball222]

Reviewing... please stand by.