build: bump crc32c from 0.6.1 to 0.6.3 in /fuzz

Bumps [crc32c](https://github.com/zowens/crc32c) from 0.6.1 to 0.6.3.
- [Release notes](https://github.com/zowens/crc32c/releases)
- [Commits](https://github.com/zowens/crc32c/compare/v0.6.1...v0.6.3)

---
updated-dependencies:
- dependency-name: crc32c
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

fuzz/Cargo.lock

@@ -185,9 +185,9 @@ dependencies = [
 
 [[package]]
 name = "crc32c"
-version = "0.6.1"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee6b9c9389584bcba988bd0836086789b7f87ad91892d6a83d5291dbb24524b5"
+checksum = "3dfea2db42e9927a3845fb268a10a72faed6d416065f77873f05e411457c363e"
 dependencies = [
  "rustc_version",
 ]