Bump Common/MU from `d6f6c16` to `fb80bd2` (#531)

Bumps [Common/MU](https://github.com/microsoft/mu_plus) from `d6f6c16`
to `fb80bd2`.

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Common/MU

@@ -1 +1 @@
-Subproject commit d6f6c16780f69038675b5cbbb1937071c143e0f4
+Subproject commit fb80bd21533cc0fe4a2e05774542d5e34c1b4fc4