Bump webob from 1.8.7 to 1.8.8 in /requirements

Bumps [webob](https://github.com/Pylons/webob) from 1.8.7 to 1.8.8.
- [Changelog](https://github.com/Pylons/webob/blob/main/CHANGES.txt)
- [Commits](Pylons/webob@1.8.7...1.8.8)

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

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

Author: dependabot[bot]

requirements/local.txt

@@ -11,7 +11,7 @@ django_coverage_plugin==3.1.0
 # Used in local testing
 WebTest==3.0.0
 beautifulsoup4==4.12.3
-WebOb==1.8.7
+WebOb==1.8.8
 responses==0.25.0
 
 # Used to help with Django related debugging