Bump the rust-dependencies group across 1 directory with 2 updates (#303

)

* Bump the rust-dependencies group across 1 directory with 2 updates

Bumps the rust-dependencies group with 2 updates in the / directory: [libherokubuildpack](https://github.com/heroku/libcnb.rs) and [ureq](https://github.com/algesten/ureq).


Updates `libherokubuildpack` from 0.26.0 to 0.26.1
- [Release notes](https://github.com/heroku/libcnb.rs/releases)
- [Changelog](https://github.com/heroku/libcnb.rs/blob/main/CHANGELOG.md)
- [Commits](heroku/libcnb.rs@v0.26.0...v0.26.1)

Updates `ureq` from 2.10.1 to 2.12.1
- [Changelog](https://github.com/algesten/ureq/blob/main/CHANGELOG.md)
- [Commits](algesten/ureq@2.10.1...2.12.1)

---
updated-dependencies:
- dependency-name: libherokubuildpack
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: rust-dependencies
- dependency-name: ureq
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

* Relax libcnb pins

In the hope it fixes Dependabot being able to update them.

* Refresh lockfile

* Add changelog entry

---------

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

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Fixed colour resetting for build output header, error and warning messages. ([#303](https://github.com/heroku/buildpacks-python/pull/303) / [heroku/libcnb.rs#890](https://github.com/heroku/libcnb.rs/pull/890))
+
 ## [0.20.0] - 2024-12-10
 
 ### Changed

Cargo.toml

@@ -22,14 +22,12 @@ result_large_err = "allow"
 
 [dependencies]
 indoc = "2"
-# libcnb has a much bigger impact on buildpack behaviour than any other dependencies,
-# so it's pinned to an exact version to isolate it from lockfile refreshes.
-libcnb = "=0.26.0"
-libherokubuildpack = { version = "=0.26.0", default-features = false, features = ["log"] }
+libcnb = "0.26"
+libherokubuildpack = { version = "0.26", default-features = false, features = ["log"] }
 serde = "1"
 tar = { version = "0.4", default-features = false }
 ureq = { version = "2", default-features = false, features = ["tls"] }
 zstd = { version = "0.13", default-features = false }
 
 [dev-dependencies]
-libcnb-test = "=0.26.0"
+libcnb-test = "0.26"