Bump feign-version from 13.5 to 13.6

Bumps `feign-version` from 13.5 to 13.6.

Updates `io.github.openfeign:feign-core` 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)

Updates `io.github.openfeign:feign-jackson` 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)

Updates `io.github.openfeign:feign-slf4j` 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)

Updates `io.github.openfeign:feign-okhttp` 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-core
  dependency-version: '13.6'
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.github.openfeign:feign-jackson
  dependency-version: '13.6'
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.github.openfeign:feign-slf4j
  dependency-version: '13.6'
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.github.openfeign:feign-okhttp
  dependency-version: '13.6'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

boat-maven-plugin/pom.xml

@@ -24,7 +24,7 @@
         </sonar.coverage.jacoco.xmlReportPaths>
         <sonar.dynamicAnalysis>reuseReports</sonar.dynamicAnalysis>
         <sonar.jacoco.itReportPath>${project.basedir}/target/jacoco-it.exec</sonar.jacoco.itReportPath>
-        <feign-version>13.5</feign-version>
+        <feign-version>13.6</feign-version>
         <feign-form-version>3.8.0</feign-form-version>
         <jackson-threetenbp-version>2.18.2</jackson-threetenbp-version>
         <scribejava-version>8.3.3</scribejava-version>