chore(deps): Bump protobuf from 3.20.3 to 4.25.8

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 3.20.3 to 4.25.8.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v3.20.3...v4.25.8)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-version: 4.25.8
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Pipfile

@@ -19,7 +19,7 @@ gunicorn = "~=22.0"
 mistune = "~=0.8"
 psycopg2 = "~=2.9.9"
 requests = "~=2.27"
-protobuf = "~=3.20.1"
+protobuf = "~=4.25.8"
 whitenoise = "~=6.2.0"
 
 [dev-packages]