build: Bump remain from 0.2.7 to 0.2.8 in /fuzz

Bumps [remain](https://github.com/dtolnay/remain) from 0.2.7 to 0.2.8.
- [Release notes](https://github.com/dtolnay/remain/releases)
- [Commits](https://github.com/dtolnay/remain/compare/0.2.7...0.2.8)

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

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

fuzz/Cargo.lock

@@ -536,13 +536,13 @@ dependencies = [
 
 [[package]]
 name = "remain"
-version = "0.2.7"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f4b7d9b4676922ecbbad6d317e0f847762c4b28b935a2db3b44bd4f36c1aa7f"
+checksum = "e13cca257d068dd3a390d04b2c3009a3fad2ee5048dfa8f239d048372810470c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.4",
 ]
 
 [[package]]