Build: Add missing verification metadata for httpcore 4.2.1

We apply prepareSonatypeStaging.gradle conditionally which brings some
additional dependencies only during release publishing to maven central

 #KTI-650
diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index 7ff7685..824a5d0 100644
--- a/gradle/verification-metadata.xml
+++ b/gradle/verification-metadata.xml
@@ -5377,6 +5377,12 @@
             <sha256 value="3ce38de51f4e24668c6d184057a8d08541f9e815d2d319d0f462f083092b29cf" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="org.apache.httpcomponents" name="httpcore" version="4.2.1">
+         <artifact name="httpcore-4.2.1.jar">
+            <md5 value="a777e8a2af991b8f1d07b23e77831aaf" origin="Generated by Gradle"/>
+            <sha256 value="8086826dd2349d83e4933fde398965cdfe871eb9278cdb61ac5bc8141d797d84" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="org.apache.httpcomponents" name="httpcore" version="4.4.10">
          <artifact name="httpcore-4.4.10.jar">
             <md5 value="0aa2d618716ab34e5c0389b44814700a" origin="Generated by Gradle"/>