Bump vendor/github.com/feedbin/feedbin from c7e6118 to 88b81a9

Bumps [vendor/github.com/feedbin/feedbin](https://github.com/feedbin/feedbin) from `c7e6118` to `88b81a9`.
- [Commits](feedbin/feedbin@c7e6118...88b81a9)

---
updated-dependencies:
- dependency-name: vendor/github.com/feedbin/feedbin
  dependency-type: direct:production
...

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