Bump pypdf from 5.9.0 to 6.0.0 in /apps/text_generation

Bumps [pypdf](https://github.com/py-pdf/pypdf) from 5.9.0 to 6.0.0.
- [Release notes](https://github.com/py-pdf/pypdf/releases)
- [Changelog](https://github.com/py-pdf/pypdf/blob/main/CHANGELOG.md)
- [Commits](py-pdf/pypdf@5.9.0...6.0.0)

---
updated-dependencies:
- dependency-name: pypdf
  dependency-version: 6.0.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

apps/text_generation/poetry.lock

@@ -20,7 +20,7 @@ packages = [
 [tool.poetry.dependencies]
 pydantic = "*"
 semantic-kernel = "^1.35.3"
-pypdf = {extras = ["crypto"], version = "^5.4.0"}
+pypdf = {extras = ["crypto"], version = "^6.0.0"}
 azure-core = "*"
 azure-identity = "*"
 azure-cosmos = "^4.9.0"