Bump pest from 2.5.2 to 2.5.6 (#511)

Bumps [pest](https://github.com/pest-parser/pest) from 2.5.2 to 2.5.6.
- [Release notes](https://github.com/pest-parser/pest/releases)
- [Commits](https://github.com/pest-parser/pest/compare/v2.5.2...v2.5.6)

---
updated-dependencies:
- dependency-name: pest
  dependency-type: indirect
  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>

Cargo.lock

@@ -1354,9 +1354,9 @@ checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
 
 [[package]]
 name = "pest"
-version = "2.5.2"
+version = "2.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f6e86fb9e7026527a0d46bc308b841d73170ef8f443e1807f6ef88526a816d4"
+checksum = "8cbd939b234e95d72bc393d51788aec68aeeb5d51e748ca08ff3aad58cb722f7"
 dependencies = [
  "thiserror",
  "ucd-trie",