(AzureCXP) fixes MicrosoftDocs/azure-docs#105963

Correcting the variable name in Input binding example as per the Java naming convention

Author: Venkateshdodda-MSFT

articles/azure-functions/functions-reference-java.md

@@ -320,9 +320,9 @@ public class Function {
         private String RowKey;
     }
     public static class Person {
-        public String PartitionKey;
-        public String RowKey;
-        public String Name;
+        public String partitionKey;
+        public String rowKey;
+        public String name;
 
         public Person(String p, String r, String n) {
             this.PartitionKey = p;