chore: Bump amundsenmetadatalibrary from `19e1bf8` to `6a81b97` (#721)

Bumps [amundsenmetadatalibrary](https://github.com/amundsen-io/amundsenmetadatalibrary) from `19e1bf8` to `6a81b97`.
- [Release notes](https://github.com/amundsen-io/amundsenmetadatalibrary/releases)
- [Commits](https://github.com/amundsen-io/amundsenmetadatalibrary/compare/19e1bf8e5c9581ab4b6947f37b7584bac8f2ccf1...6a81b974f2715429748f86bdb3459b1c91dfedfb)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

amundsenmetadatalibrary @ 6a81b974

-Subproject commit 19e1bf8e5c9581ab4b6947f37b7584bac8f2ccf1
+Subproject commit 6a81b974f2715429748f86bdb3459b1c91dfedfb