Update oic requirement from ~=1.3.0 to ~=1.4.0 in /api

Updates the requirements on [oic](https://github.com/OpenIDC/pyoidc) to permit the latest version.
- [Release notes](https://github.com/OpenIDC/pyoidc/releases)
- [Changelog](https://github.com/OpenIDC/pyoidc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/OpenIDC/pyoidc/compare/1.3.0...1.4.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

api/requirements.txt

@@ -1,6 +1,6 @@
 coloredlogs~=15.0.1
 sanic~=22.6.0
-oic~=1.3.0
+oic~=1.4.0
 sanic-session~=0.8.0
 sanic-cors~=2.0.1
 python-slugify~=6.1.2