Bump io.github.openfeign:feign-bom from 13.3 to 13.4 (#1073)

Bumps [io.github.openfeign:feign-bom](https://github.com/openfeign/feign) from 13.3 to 13.4.
- [Release notes](https://github.com/openfeign/feign/releases)
- [Changelog](https://github.com/OpenFeign/feign/blob/master/CHANGELOG.md)
- [Commits](OpenFeign/feign@13.3...13.4)

---
updated-dependencies:
- dependency-name: io.github.openfeign:feign-bom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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