Bump pest_derive from 2.7.14 to 2.7.15 (#349)

Bumps [pest_derive](https://github.com/pest-parser/pest) from 2.7.14 to 2.7.15.
- [Release notes](https://github.com/pest-parser/pest/releases)
- [Commits](pest-parser/pest@v2.7.14...v2.7.15)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -8,7 +8,7 @@ repository = "https://github.com/oxidecomputer/usdt.git"
 
 [dependencies]
 pest = "2.7.15"
-pest_derive = "2.7.14"
+pest_derive = "2.7.15"
 thiserror = "2.0.7"
 
 [dev-dependencies]