Bump pycryptodomex from 3.15.0 to 3.19.1 in /requirements

Bumps [pycryptodomex](https://github.com/Legrandin/pycryptodome) from 3.15.0 to 3.19.1.
- [Release notes](https://github.com/Legrandin/pycryptodome/releases)
- [Changelog](https://github.com/Legrandin/pycryptodome/blob/master/Changelog.rst)
- [Commits](Legrandin/pycryptodome@v3.15.0...v3.19.1)

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

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

requirements/base.txt

@@ -37,7 +37,7 @@ paypalrestsdk==1.13.1
 pillow==10.0.1
 pkgutil-resolve-name==1.3.10
 pycparser==2.21
-pycryptodomex==3.15.0
+pycryptodomex==3.19.1
 pydantic==1.10.2
 pyopenssl==22.1.0
 pyrsistent==0.19.2