Prepare v2.6.0 release (honeycombio#296)

Updates package version to 2.6.0 and the change log with commits since last release.

Prepare v2.5.0 release (honeycombio#265)

* add changelog entry for v2.5.0

* bump version to v2.5.0

* fix styling

Bump prerelease version for testing

Readd filters to allow execution on tags. Update release number

Notes on how to build a package

Version 2.3.0

Version 2.2.0

2.1.1

2.1.0