build: Bump bumpalo from 3.14.0 to 3.15.3 in /fuzz

Bumps [bumpalo](https://github.com/fitzgen/bumpalo) from 3.14.0 to 3.15.3.
- [Changelog](https://github.com/fitzgen/bumpalo/blob/main/CHANGELOG.md)
- [Commits](https://github.com/fitzgen/bumpalo/compare/3.14.0...3.15.3)

---
updated-dependencies:
- dependency-name: bumpalo
  dependency-type: indirect
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

fuzz/Cargo.lock

@@ -156,9 +156,9 @@ dependencies = [
 
 [[package]]
 name = "bumpalo"
-version = "3.14.0"
+version = "3.15.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
+checksum = "8ea184aa71bb362a1157c896979544cc23974e08fd265f29ea96b59f0b4a555b"
 
 [[package]]
 name = "byteorder"