Bump external/Catch2 from `d1d7414` to `3acb8b3` (#3130)

Bumps [external/Catch2](https://github.com/catchorg/Catch2) from `d1d7414` to `3acb8b3`.
- [Release notes](https://github.com/catchorg/Catch2/releases)
- [Commits](d1d7414eb9...3acb8b30f1)

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

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external/Catch2

@@ -1 +1 @@
-Subproject commit d1d7414eb9859092bee6329c85592d90096618c5
+Subproject commit 3acb8b30f1ce0c801de0e3880ea1f6467dd0105c