Bump lib/CPP_PTB from eb07b48 to 028bda7

Bumps [lib/CPP_PTB](https://github.com/cpp-lln-lab/CPP_PTB) from `eb07b48` to `028bda7`.
- [Release notes](https://github.com/cpp-lln-lab/CPP_PTB/releases)
- [Commits](cpp-lln-lab/CPP_PTB@eb07b48...028bda7)

---
updated-dependencies:
- dependency-name: lib/CPP_PTB
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]