Bump buildpacks/github-actions in the github-actions group (#161)

Bumps the github-actions group with 1 update: [buildpacks/github-actions](https://github.com/buildpacks/github-actions).


Updates `buildpacks/github-actions` from 5.9.3 to 5.9.4
- [Release notes](https://github.com/buildpacks/github-actions/releases)
- [Commits](buildpacks/github-actions@8203df0...f6d0ae1)

---
updated-dependencies:
- dependency-name: buildpacks/github-actions
  dependency-version: 5.9.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/rundoc-ci.yml

@@ -29,7 +29,7 @@ jobs:
         with:
           ruby-version: "3.3"
           bundler-cache: true # do run 'bundle install' and cache
-      - uses: buildpacks/github-actions/setup-pack@8203df0b7ac31e358daa391b1949da5650e7f4f0 # v5.9.3
+      - uses: buildpacks/github-actions/setup-pack@f6d0ae15b2e1f021664bf3ee3fc4f9105c1ee4c7 # v5.9.4
 
       # [CONFIG] add different languages set up here
       - run: |

.github/workflows/rundoc-pr.yml

@@ -31,7 +31,7 @@ jobs:
         with:
           ruby-version: "3.3"
           bundler-cache: true # do run 'bundle install' and cache
-      - uses: buildpacks/github-actions/setup-pack@8203df0b7ac31e358daa391b1949da5650e7f4f0 # v5.9.3
+      - uses: buildpacks/github-actions/setup-pack@f6d0ae15b2e1f021664bf3ee3fc4f9105c1ee4c7 # v5.9.4
 
       - name: Run rundoc for all languages
         run: |