⬆️ Bump the submodules group with 2 updates (#397)

Bumps the submodules group with 2 updates: [libs/Catch2](https://github.com/catchorg/Catch2) and [libs/parallel-hashmap](https://github.com/greg7mdp/parallel-hashmap).


Updates `libs/Catch2` from `8ac8190` to `bfe3ff8`
- [Release notes](https://github.com/catchorg/Catch2/releases)
- [Commits](catchorg/Catch2@8ac8190...bfe3ff8)

Updates `libs/parallel-hashmap` from `67c2461` to `50fa648`
- [Release notes](https://github.com/greg7mdp/parallel-hashmap/releases)
- [Commits](greg7mdp/parallel-hashmap@67c2461...50fa648)

---
updated-dependencies:
- dependency-name: libs/Catch2
  dependency-type: direct:production
  dependency-group: submodules
- dependency-name: libs/parallel-hashmap
  dependency-type: direct:production
  dependency-group: submodules
...

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