chore(deps): bump DenizAltunkapan/directory-tree-generator

Bumps [DenizAltunkapan/directory-tree-generator](https://github.com/denizaltunkapan/directory-tree-generator) from 2 to 4.
- [Release notes](https://github.com/denizaltunkapan/directory-tree-generator/releases)
- [Commits](DenizAltunkapan/directory-tree-generator@v2...v4)

---
updated-dependencies:
- dependency-name: DenizAltunkapan/directory-tree-generator
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/update-directorymd.yml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Run Directory Tree Generator
-        uses: DenizAltunkapan/directory-tree-generator@v2
+        uses: DenizAltunkapan/directory-tree-generator@v4
         with:
           path: src
           extensions: .java