update NOTICE file

All Submissions:

---

• [YES/NO] I have added an explanation of what changes in this merge do and why we should include it?
• [YES/NO] I have updated the documentation accordingly.
• [YES/NO/NA] I have added tests to cover my changes.
• [YES/NO/NA] All new and existing tests passed.
• [YES/NO/NA] My code follows the code style of this project.
• [YES/NO/NA] I ran lint checks locally prior to submission.

What is the current behavior?

---

Issue: Remember to link the workitem to this pull request.

What is the new behavior?

---

Does this introduce a breaking change?

---

• [YES/NO]

Any relevant logs, error output, etc?

---

(If it’s long, please paste to https://ghostbin.com/ and insert the link here.)

Other information

---

changed milestone to %M18 - Release 0.21

added AWS MRNotice Update no-detached-pipeline labels

requested review from @mmarabe

assigned to @lchas

enabled an automatic merge when the pipeline for 66e89d5c succeeds

approved this merge request

mentioned in commit f848e4b8

merged