Bump the libcnb group with 3 updates (#240)

* Bump the libcnb group with 3 updates

Bumps the libcnb group with 3 updates: [libcnb](https://github.com/heroku/libcnb.rs), [libherokubuildpack](https://github.com/heroku/libcnb.rs) and [libcnb-test](https://github.com/heroku/libcnb.rs).


Updates `libcnb` from 0.22.0 to 0.23.0
- [Release notes](https://github.com/heroku/libcnb.rs/releases)
- [Changelog](https://github.com/heroku/libcnb.rs/blob/main/CHANGELOG.md)
- [Commits](heroku/libcnb.rs@v0.22.0...v0.23.0)

Updates `libherokubuildpack` from 0.22.0 to 0.23.0
- [Release notes](https://github.com/heroku/libcnb.rs/releases)
- [Changelog](https://github.com/heroku/libcnb.rs/blob/main/CHANGELOG.md)
- [Commits](heroku/libcnb.rs@v0.22.0...v0.23.0)

Updates `libcnb-test` from 0.22.0 to 0.23.0
- [Release notes](https://github.com/heroku/libcnb.rs/releases)
- [Changelog](https://github.com/heroku/libcnb.rs/blob/main/CHANGELOG.md)
- [Commits](heroku/libcnb.rs@v0.22.0...v0.23.0)

---
updated-dependencies:
- dependency-name: libcnb
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: libcnb
- dependency-name: libherokubuildpack
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: libcnb
- dependency-name: libcnb-test
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: libcnb
...

Signed-off-by: dependabot[bot] <support@github.com>

* Bump buildpacks/github-actions from 5.7.2 to 5.7.4

Bumps [buildpacks/github-actions](https://github.com/buildpacks/github-actions) from 5.7.2 to 5.7.4.
- [Release notes](https://github.com/buildpacks/github-actions/releases)
- [Commits](buildpacks/github-actions@v5.7.2...v5.7.4)

---
updated-dependencies:
- dependency-name: buildpacks/github-actions
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

* Refresh lockfile

* Bump minimum Rust version

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ed Morley <501702+edmorley@users.noreply.github.com>

.github/workflows/ci.yml

@@ -54,7 +54,7 @@ jobs:
       - name: Rust Cache
         uses: Swatinem/rust-cache@v2.7.3
       - name: Install Pack CLI
-        uses: buildpacks/github-actions/setup-pack@v5.7.2
+        uses: buildpacks/github-actions/setup-pack@v5.7.4
       - name: Run integration tests
         # Runs only tests annotated with the `ignore` attribute (which in this repo, are the integration tests).
         run: cargo test --locked -- --ignored