Bump the rust-dependencies group with 8 updates (#407)

Bumps the rust-dependencies group with 8 updates:

| Package | From | To |
| --- | --- | --- |
| [clap](https://github.com/clap-rs/clap) | `4.5.31` | `4.5.32` |
| [indoc](https://github.com/dtolnay/indoc) | `2.0.5` | `2.0.6` |
| [libcnb](https://github.com/heroku/libcnb.rs) | `0.27.0` | `0.28.0` |
| [libherokubuildpack](https://github.com/heroku/libcnb.rs) | `0.27.0` | `0.28.0` |
| [serde](https://github.com/serde-rs/serde) | `1.0.218` | `1.0.219` |
| [tempfile](https://github.com/Stebalien/tempfile) | `3.17.1` | `3.19.0` |
| [thiserror](https://github.com/dtolnay/thiserror) | `2.0.11` | `2.0.12` |
| [libcnb-test](https://github.com/heroku/libcnb.rs) | `0.27.0` | `0.28.0` |


Updates `clap` from 4.5.31 to 4.5.32
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](clap-rs/clap@v4.5.31...clap_complete-v4.5.32)

Updates `indoc` from 2.0.5 to 2.0.6
- [Release notes](https://github.com/dtolnay/indoc/releases)
- [Commits](dtolnay/indoc@2.0.5...2.0.6)

Updates `libcnb` from 0.27.0 to 0.28.0
- [Release notes](https://github.com/heroku/libcnb.rs/releases)
- [Changelog](https://github.com/heroku/libcnb.rs/blob/main/CHANGELOG.md)
- [Commits](heroku/libcnb.rs@v0.27.0...v0.28.0)

Updates `libherokubuildpack` from 0.27.0 to 0.28.0
- [Release notes](https://github.com/heroku/libcnb.rs/releases)
- [Changelog](https://github.com/heroku/libcnb.rs/blob/main/CHANGELOG.md)
- [Commits](heroku/libcnb.rs@v0.27.0...v0.28.0)

Updates `serde` from 1.0.218 to 1.0.219
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.218...v1.0.219)

Updates `tempfile` from 3.17.1 to 3.19.0
- [Changelog](https://github.com/Stebalien/tempfile/blob/master/CHANGELOG.md)
- [Commits](Stebalien/tempfile@v3.17.1...v3.19.0)

Updates `thiserror` from 2.0.11 to 2.0.12
- [Release notes](https://github.com/dtolnay/thiserror/releases)
- [Commits](dtolnay/thiserror@2.0.11...2.0.12)

Updates `libcnb-test` from 0.27.0 to 0.28.0
- [Release notes](https://github.com/heroku/libcnb.rs/releases)
- [Changelog](https://github.com/heroku/libcnb.rs/blob/main/CHANGELOG.md)
- [Commits](heroku/libcnb.rs@v0.27.0...v0.28.0)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: rust-dependencies
- dependency-name: indoc
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: rust-dependencies
- dependency-name: libcnb
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-dependencies
- dependency-name: libherokubuildpack
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-dependencies
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: rust-dependencies
- dependency-name: tempfile
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-dependencies
- dependency-name: thiserror
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: rust-dependencies
- dependency-name: libcnb-test
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-dependencies
...

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Author: dependabot[bot]