Update CHANGELOG for version 1.4.11

Added details for version 1.4.11 including bug fixes and contributions.

Prepare for release of 1.4.10

Bump to version 1.4.9

Bump version to 1.4.8

Bump version and add changelog for v1.4.7

Merge pull request #598 from commanded/new-github-actions-versions

Update Github actions version to the latest

Merge pull request #595 from commanded/fill-out-test-matrix

Support OTP 26 and Elixir 1.17

Merge pull request #568 from bitfield-co/initialize-with-handler-state

Initialize with handler state

Release v1.4.3

Release v1.4.2