Bump feign.version from 12.0 to 12.1

Bumps `feign.version` from 12.0 to 12.1.

Updates `feign-httpclient` from 12.0 to 12.1
- [Release notes](https://github.com/openfeign/feign/releases)
- [Changelog](https://github.com/OpenFeign/feign/blob/master/CHANGELOG.md)
- [Commits](OpenFeign/feign@12.0...12.1)

Updates `feign-core` from 12.0 to 12.1
- [Release notes](https://github.com/openfeign/feign/releases)
- [Changelog](https://github.com/OpenFeign/feign/blob/master/CHANGELOG.md)
- [Commits](OpenFeign/feign@12.0...12.1)

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

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

pom.xml

@@ -61,7 +61,7 @@
     <commons-io.version>2.11.0</commons-io.version>
     <log4j.version>2.19.0</log4j.version>
     <slf4j.version>1.7.36</slf4j.version>
-    <feign.version>12.0</feign.version>
+    <feign.version>12.1</feign.version>
     <commons-math3.version>3.6.1</commons-math3.version>
     <bouncycastle.version>1.70</bouncycastle.version>
     <awssdk-s3.version>2.18.6</awssdk-s3.version>