build: Bump zerocopy from 0.7.11 to 0.7.20 in /fuzz

Bumps [zerocopy](https://github.com/google/zerocopy) from 0.7.11 to 0.7.20.
- [Commits](https://github.com/google/zerocopy/compare/v0.7.11...v0.7.20)

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

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

fuzz/Cargo.lock

@@ -1290,9 +1290,9 @@ checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
 
 [[package]]
 name = "zerocopy"
-version = "0.7.11"
+version = "0.7.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c19fae0c8a9efc6a8281f2e623db8af1db9e57852e04cde3e754dd2dc29340f"
+checksum = "dd66a62464e3ffd4e37bd09950c2b9dd6c4f8767380fabba0d523f9a775bc85a"
 dependencies = [
  "byteorder",
  "zerocopy-derive",
@@ -1300,9 +1300,9 @@ dependencies = [
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.7.11"
+version = "0.7.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc56589e9ddd1f1c28d4b4b5c773ce232910a6bb67a70133d61c9e347585efe9"
+checksum = "255c4596d41e6916ced49cfafea18727b24d67878fa180ddfd69b9df34fd1726"
 dependencies = [
  "proc-macro2",
  "quote",