Bump buildpacks/github-actions from 5.5.3 to 5.5.4 (#485)

Bumps [buildpacks/github-actions](https://github.com/buildpacks/github-actions) from 5.5.3 to 5.5.4.
- [Release notes](https://github.com/buildpacks/github-actions/releases)
- [Commits](buildpacks/github-actions@v5.5.3...v5.5.4)

---
updated-dependencies:
- dependency-name: buildpacks/github-actions
  dependency-type: direct:production
  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>

.github/workflows/build-test-publish.yml

@@ -30,7 +30,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install Pack CLI
-        uses: buildpacks/github-actions/[email protected].3
+        uses: buildpacks/github-actions/[email protected].4
       - name: Create builder image
         run: pack builder create ${{ matrix.builder }} --config ${{ matrix.builder }}/builder.toml --pull-policy always
       # We export the run image too (and not just the generated builder image), since it adds virtually
@@ -70,7 +70,7 @@ jobs:
           ref: main
           repository: heroku/${{ matrix.language }}-getting-started.git
       - name: Install Pack CLI
-        uses: buildpacks/github-actions/[email protected].3
+        uses: buildpacks/github-actions/[email protected].4
       - name: Restore Docker images from the cache
         uses: actions/cache/restore@v4
         with:
@@ -110,7 +110,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install Pack CLI
-        uses: buildpacks/github-actions/[email protected].3
+        uses: buildpacks/github-actions/[email protected].4
         with:
           # Using an older version of Pack CLI here (that only supports Platform API <= 0.9),
           # for testing parity with the Platform API version used by Kodon for Functions: