pip: bump regex from 2024.5.10 to 2024.5.15 (#355)

Bumps [regex](https://github.com/mrabarnett/mrab-regex) from 2024.5.10
to 2024.5.15.

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

pip-requirements.txt

@@ -16,6 +16,6 @@ edk2-pytool-library==0.21.5
 edk2-pytool-extensions==0.27.4
 antlr4-python3-runtime==4.13.1
 xmlschema==3.3.1
-regex==2024.5.10
+regex==2024.5.15
 pywin32==306; sys_platform == 'win32'
 pygount==1.8.0