Bumps MU_BASECORE from 2023020007.2.0 to 2023020007.2.1

Introduces 2 new commits in [MU_BASECORE](https://github.com/microsoft/mu_basecore.git).

<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/microsoft/mu_basecore/commit/34f18b35e3df775a452b433e7286bafe523d4602">34f18b</a> BinToPcd.py: Update regex strings to use raw strings (<a href="https://github.com/microsoft/mu_basecore/pull/604">#604</a>)</li>
<li><a href="https://github.com/microsoft/mu_basecore/commit/303c465437d38bbb7afe69b0ca50578d0ce89a47">303c46</a> Fixing incorrect monotonic counter comment in INF file (<a href="https://github.com/microsoft/mu_basecore/pull/605">#605</a>)</li>
</ul>
</details>

Signed-off-by: Project Mu Bot <mubot@microsoft.com>