Description

This PR automates the posting of release notes to Oddball's Slack workspace.

issue #1972

How Has This Been Tested?

Tested posting to Slack here:

[x] I have assigned myself to this PR
[x] PR has an appropriate title: #9999 - What the thing does
[x] PR has a detailed description, including links to specific documentation
[x] I have added the appropriate labels to the PR.
[x] I did not remove any parts of the template, such as checkboxes even if they are not used
[x] My code follows the style guidelines of this project
[x] I have performed a self-review of my own code
[x] I have commented my code, particularly in hard-to-understand areas
[x] I have made corresponding changes to any documentation
[x] My changes generate no new warnings
[x] I have added tests that prove my fix is effective or that my feature works. Testing guidelines
[x] I have ensured the latest main is merged into my branch and all checks are green prior to review
[x] New and existing unit tests pass locally with my changes
[x] Any dependent changes have been merged and published in downstream modules
[ ] The ticket was moved into the DEV test column when I began testing this change