Bump pypdf in /PROJECTS/beginner/metadata-scrubber-tool

Bumps [pypdf](https://github.com/py-pdf/pypdf) from 6.6.2 to 6.7.1.
- [Release notes](https://github.com/py-pdf/pypdf/releases)
- [Changelog](https://github.com/py-pdf/pypdf/blob/main/CHANGELOG.md)
- [Commits](https://github.com/py-pdf/pypdf/compare/6.6.2...6.7.1)

---
updated-dependencies:
- dependency-name: pypdf
  dependency-version: 6.7.1
  dependency-type: direct:production
...

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

PROJECTS/beginner/metadata-scrubber-tool/uv.lock

@@ -642,14 +642,14 @@ wheels = [
 
 [[package]]
 name = "pypdf"
-version = "6.6.2"
+version = "6.7.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "typing-extensions", marker = "python_full_version < '3.11'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/b8/bb/a44bab1ac3c54dbcf653d7b8bcdee93dddb2d3bf025a3912cacb8149a2f2/pypdf-6.6.2.tar.gz", hash = "sha256:0a3ea3b3303982333404e22d8f75d7b3144f9cf4b2970b96856391a516f9f016", size = 5281850, upload-time = "2026-01-26T11:57:55.964Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/ff/63/3437c4363483f2a04000a48f1cd48c40097f69d580363712fa8b0b4afe45/pypdf-6.7.1.tar.gz", hash = "sha256:6b7a63be5563a0a35d54c6d6b550d75c00b8ccf36384be96365355e296e6b3b0", size = 5302208, upload-time = "2026-02-17T17:00:48.88Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/7d/be/549aaf1dfa4ab4aed29b09703d2fb02c4366fc1f05e880948c296c5764b9/pypdf-6.6.2-py3-none-any.whl", hash = "sha256:44c0c9811cfb3b83b28f1c3d054531d5b8b81abaedee0d8cb403650d023832ba", size = 329132, upload-time = "2026-01-26T11:57:54.099Z" },
+    { url = "https://files.pythonhosted.org/packages/68/77/38bd7744bb9e06d465b0c23879e6d2c187d93a383f8fa485c862822bb8a3/pypdf-6.7.1-py3-none-any.whl", hash = "sha256:a02ccbb06463f7c334ce1612e91b3e68a8e827f3cee100b9941771e6066b094e", size = 331048, upload-time = "2026-02-17T17:00:46.991Z" },
 ]
 
 [[package]]