Bump lib/Catch2 from ed6b38b to 997a7d4 (#91)

Bumps [lib/Catch2](https://github.com/catchorg/Catch2) from `ed6b38b` to `997a7d4`.
- [Release notes](https://github.com/catchorg/Catch2/releases)
- [Commits](catchorg/Catch2@ed6b38b...997a7d4)

---
updated-dependencies:
- dependency-name: lib/Catch2
  dependency-type: direct:production
...

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

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

Author: dependabot[bot]