build(deps): bump pip from 19.2.3 to 23.3

Bumps [pip](https://github.com/pypa/pip) from 19.2.3 to 23.3.
- [Changelog](https://github.com/pypa/pip/blob/main/NEWS.rst)
- [Commits](pypa/pip@19.2.3...23.3)

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

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

requirements.txt

@@ -6,7 +6,7 @@ edx-opaque-keys==2.1.1 # Pinned for python 2.7 compatibility
 graphitesend==0.10.0 # Apache
 path.py
 pbr
-pip==19.2.3		
+pip==23.3		
 pymongo
 python-dateutil
 python-gnupg==0.4.4