Bump feign.version from 12.2 to 12.3

Bumps `feign.version` from 12.2 to 12.3.

Updates `feign-httpclient` from 12.2 to 12.3
- [Release notes](https://github.com/openfeign/feign/releases)
- [Changelog](https://github.com/OpenFeign/feign/blob/master/CHANGELOG.md)
- [Commits](OpenFeign/feign@12.2...12.3)

Updates `feign-core` from 12.2 to 12.3
- [Release notes](https://github.com/openfeign/feign/releases)
- [Changelog](https://github.com/OpenFeign/feign/blob/master/CHANGELOG.md)
- [Commits](OpenFeign/feign@12.2...12.3)

Updates `feign-jackson` from 12.2 to 12.3
- [Release notes](https://github.com/openfeign/feign/releases)
- [Changelog](https://github.com/OpenFeign/feign/blob/master/CHANGELOG.md)
- [Commits](OpenFeign/feign@12.2...12.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -56,7 +56,7 @@
     <json-simple.version>1.1.1</json-simple.version>
     <jackson.version>2.14.2</jackson.version>
     <log4j.version>2.20.0</log4j.version>
-    <feign.version>12.2</feign.version>
+    <feign.version>12.3</feign.version>
     <bouncycastle.version>1.72</bouncycastle.version>
     <test-containers.version>1.18.0</test-containers.version>
     <postgresql.version>42.6.0</postgresql.version>