build(deps): bump pypdf2 from 1.26.0 to 1.27.5 in /PDF Watermark Remover

Bumps [pypdf2](https://github.com/py-pdf/PyPDF2) from 1.26.0 to 1.27.5.
- [Release notes](https://github.com/py-pdf/PyPDF2/releases)
- [Changelog](https://github.com/py-pdf/PyPDF2/blob/main/CHANGELOG)
- [Commits](py-pdf/pypdf@1.26.0...1.27.5)

---
updated-dependencies:
- dependency-name: pypdf2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

PDF Watermark Remover/requirements.txt

@@ -3,5 +3,5 @@ pdf2image==1.15.1
 fpdf==1.7.2
 numpy==1.22.0rc1
 Pillow==9.0.1
-PyPDF2==1.26.0
+PyPDF2==1.27.5
 skimage==0.0