Bump io.github.openfeign:feign-bom from 13.5 to 13.6 (#1182)

Bumps [io.github.openfeign:feign-bom](https://github.com/openfeign/feign) from 13.5 to 13.6.
- [Release notes](https://github.com/openfeign/feign/releases)
- [Changelog](https://github.com/OpenFeign/feign/blob/master/CHANGELOG.md)
- [Commits](OpenFeign/feign@13.5...13.6)

---
updated-dependencies:
- dependency-name: io.github.openfeign:feign-bom
  dependency-version: '13.6'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

spring-cloud-openfeign-dependencies/pom.xml

@@ -15,7 +15,7 @@
 	<name>spring-cloud-openfeign-dependencies</name>
 	<description>Spring Cloud OpenFeign Dependencies</description>
 	<properties>
-		<feign.version>13.5</feign.version>
+		<feign.version>13.6</feign.version>
 	</properties>
 	<dependencyManagement>
 		<dependencies>