7.17.8.0

What's Changed

• Build: upgrade workflows from ubuntu-20.04 to ubuntu-22.04 where possible by @alexklibisz in #463
• Build: only release on workflow_dispatch by @alexklibisz in #464
• Docs: document the elasticsearch 7.x branch and releases by @alexklibisz in #466
• Docs: fix versions table on installation.md by @alexklibisz in #468

Note, the actual commit for 7.17.8.0 is e065603
The release tag incorrectly points to a missing parameter in the gh release create command. This was fixed in #475 and #476.

Full Changelog: 7.17.7.0...e065603