Bump cargo_metadata from 0.15.3 to 0.15.4 (#13899)

Bumps [cargo_metadata](https://github.com/oli-obk/cargo_metadata) from 0.15.3 to 0.15.4.
- [Release notes](https://github.com/oli-obk/cargo_metadata/releases)
- [Changelog](https://github.com/oli-obk/cargo_metadata/blob/main/CHANGELOG.md)
- [Commits](https://github.com/oli-obk/cargo_metadata/compare/0.15.3...0.15.4)

---
updated-dependencies:
- dependency-name: cargo_metadata
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

substrate/Cargo.lock

@@ -797,9 +797,9 @@ dependencies = [
 
 [[package]]
 name = "cargo_metadata"
-version = "0.15.3"
+version = "0.15.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08a1ec454bc3eead8719cb56e15dbbfecdbc14e4b3a3ae4936cc6e31f5fc0d07"
+checksum = "eee4243f1f26fc7a42710e7439c149e2b10b05472f88090acce52632f231a73a"
 dependencies = [
  "camino",
  "cargo-platform",