deps(gitsubmodule): bump Glyph-Developer-Kit from 75e4660 to `7e6c2…

…0f` (#5)

Bumps [Glyph-Developer-Kit](https://github.com/Nothing-Developer-Programme/Glyph-Developer-Kit) from `75e4660` to `7e6c20f`.
- [Commits](Nothing-Developer-Programme/Glyph-Developer-Kit@75e4660...7e6c20f)

---
updated-dependencies:
- dependency-name: Glyph-Developer-Kit
  dependency-type: direct:production
...

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