chore: update locked dependency versions (#7)

Signed-off-by: Panos Vagenas <35837085+vagenas@users.noreply.github.com>

Author: vagenas

CONTRIBUTING.md

@@ -2,7 +2,7 @@
 Our project welcomes external contributions. If you have an itch, please feel
 free to scratch it.
 
-To contribute code or documentation, please submit a [pull request](https://github.com/DS4SD/docling/pulls).
+To contribute code or documentation, please submit a [pull request](https://github.com/DS4SD/docling-haystack/pulls).
 
 A good way to familiarize yourself with the codebase and contribution process is
 to look for and tackle low-hanging fruit in the [issue tracker](https://github.com/DS4SD/docling/issues).