Bump Common/MU_TIANO from c7ea243 to e2f812c (#1486)

Bumps [Common/MU_TIANO](https://github.com/microsoft/mu_tiano_plus) from `c7ea243` to `e2f812c`.
- [Release notes](https://github.com/microsoft/mu_tiano_plus/releases)
- [Commits](microsoft/mu_tiano_plus@c7ea243...e2f812c)

---
updated-dependencies:
- dependency-name: Common/MU_TIANO
  dependency-type: direct:production
...

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