Update dependency io.github.openfeign:feign-httpclient to v12.1 (#2733)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

build.gradle

@@ -343,10 +343,10 @@ dependencies {
   implementation group: 'com.github.hmcts', name: 'idam-java-client', version: '2.1.1'
   implementation group: 'com.github.hmcts', name: 'ccd-case-document-am-client', version: '1.59'
   implementation group: 'org.springframework.cloud', name: 'spring-cloud-starter-bootstrap', version: '3.1.5'
-  implementation group: 'io.github.openfeign', name: 'feign-httpclient', version: '12.0'
+  implementation group: 'io.github.openfeign', name: 'feign-httpclient', version: '12.1'
 
   implementation group: 'org.springframework.cloud', name: 'spring-cloud-starter-bootstrap', version: '3.1.5'
-  implementation group: 'io.github.openfeign', name: 'feign-httpclient', version: '12.0'
+  implementation group: 'io.github.openfeign', name: 'feign-httpclient', version: '12.1'
 
   implementation group: 'com.fasterxml.jackson.datatype', name: 'jackson-datatype-jsr310', version: '2.14.0'