Bump pypdf2 from 1.25.1 to 1.27.5

Bumps [pypdf2](https://github.com/py-pdf/PyPDF2) from 1.25.1 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@v1.25.1...1.27.5)

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

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

Author: dependabot[bot]

requirements.txt

@@ -46,7 +46,7 @@ pycuber==0.2.0
 Pygments==2.7.4
 PyNaCl==1.3.0
 pyparsing==2.0.7
-PyPDF2==1.25.1
+PyPDF2==1.27.5
 python-dateutil==2.5.2
 pytz==2016.3
 reportlab==3.5.55