Bump vendor/github.com/feedbin/feedbin from a84ffaa to 55bfc2f (#295

)

Bumps [vendor/github.com/feedbin/feedbin](https://github.com/feedbin/feedbin) from `a84ffaa` to `55bfc2f`.
- [Commits](feedbin/feedbin@a84ffaa...55bfc2f)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>