Update pymupdf requirement from <=1.25.0 to <=1.25.2

Updates the requirements on [pymupdf](https://github.com/pymupdf/pymupdf) to permit the latest version.
- [Release notes](https://github.com/pymupdf/pymupdf/releases)
- [Changelog](https://github.com/pymupdf/PyMuPDF/blob/main/changes.txt)
- [Commits](pymupdf/PyMuPDF@v1.2...1.25.2)

---
updated-dependencies:
- dependency-name: pymupdf
  dependency-type: direct:production
...

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

requirements.txt

@@ -6,7 +6,7 @@ pillow<=11.0.0
 httpx<=0.28.1
 youtube-transcript-api>=0.6.3  # Stay on latest
 yt-dlp>=2024.12.6  # Stay on latest
-PyMuPDF<=1.25.0
+PyMuPDF<=1.25.2
 yfinance<=0.2.50
 pymupdf4llm<=0.0.17
 defusedxml<=0.7.1