build(deps): bump multiformats-config from 0.2.0.post4 to 0.3.1

Bumps [multiformats-config](https://github.com/hashberg-io/multiformats-config) from 0.2.0.post4 to 0.3.1.
- [Release notes](https://github.com/hashberg-io/multiformats-config/releases)
- [Commits](https://github.com/hashberg-io/multiformats-config/commits/v0.3.1)

---
updated-dependencies:
- dependency-name: multiformats-config
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -63,7 +63,7 @@ MarkupSafe==2.1.3
 mf2py==2.0.1
 mf2util==0.5.2
 multiformats==0.2.1
-multiformats-config==0.2.0.post4
+multiformats-config==0.3.1
 oauthlib==3.2.2
 packaging==23.2
 pbr==6.0.0