build: bump semver from 1.0.6 to 1.0.7 in /fuzz

Bumps [semver](https://github.com/dtolnay/semver) from 1.0.6 to 1.0.7.
- [Release notes](https://github.com/dtolnay/semver/releases)
- [Commits](https://github.com/dtolnay/semver/compare/1.0.6...1.0.7)

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

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

fuzz/Cargo.lock

@@ -591,9 +591,9 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.6"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4a3381e03edd24287172047536f20cabde766e2cd3e65e6b00fb3af51c4f38d"
+checksum = "d65bd28f48be7196d222d95b9243287f48d27aca604e08497513019ff0502cc4"
 
 [[package]]
 name = "serde"