Fix consolidation request json (#7577)

Signed-off-by: Lucas Saldanha <lucascrsaldanha@gmail.com>

acceptance-tests/tests/src/test/resources/jsonrpc/engine/prague/test-cases/16_prague_getPayloadV4.json

@@ -40,8 +40,8 @@
         "consolidationRequests": [
           {
             "sourceAddress": "0x23618e81e3f5cdf7f54c3d65f7fbc0abf5b21e8f",
-            "sourcePubKey": "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
-            "targetPubKey": "0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe"
+            "sourcePubkey": "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+            "targetPubkey": "0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe"
           }
         ],
         "blockNumber": "0x4",

ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/parameters/ConsolidationRequestParameter.java

@@ -61,12 +61,12 @@ public class ConsolidationRequestParameter {
   }
 
   @JsonGetter
-  public String getSourcePubKey() {
+  public String getSourcePubkey() {
     return sourcePubkey;
   }
 
   @JsonGetter
-  public String getTargetPubKey() {
+  public String getTargetPubkey() {
     return targetPubkey;
   }