Bump buildpacks/github-actions from 5.7.2 to 5.7.3 (#125)

Bumps [buildpacks/github-actions](https://github.com/buildpacks/github-actions) from 5.7.2 to 5.7.3.
- [Release notes](https://github.com/buildpacks/github-actions/releases)
- [Commits](buildpacks/github-actions@v5.7.2...v5.7.3)

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

.github/workflows/ci.yml

@@ -68,7 +68,7 @@ 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@v5.7.3
  # The images are pulled up front to prevent duplicate pulls due to the tests being run concurrently.
  - name: Pull builder image
  run: docker pull ${{ env.INTEGRATION_TEST_CNB_BUILDER }}