chore(deps): bump App/default_theme_src from 5bc8ce6 to b305dd9 (#…

…404)

Bumps [App/default_theme_src](https://github.com/bbg-contributors/default_theme_src) from `5bc8ce6` to `b305dd9`.
- [Release notes](https://github.com/bbg-contributors/default_theme_src/releases)
- [Commits](bbg-contributors/default_theme_src@5bc8ce6...b305dd9)

---
updated-dependencies:
- dependency-name: App/default_theme_src
  dependency-type: direct:production
...

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