Update pagination header

Author: kylstevenson

src/main/java/io/github/jpmorganchase/fusion/Fusion.java

@@ -229,7 +229,7 @@ private String callAPIWithPagination(String url, Integer pageSize) {
         do {
             pageCount++;
             if (nextToken != null) {
-                headers.put("x-next-token", nextToken);
+                headers.put("x-jpmc-next-token", nextToken);
                 log.debug("Fetching page {} with next token", pageCount);
             } else {
                 log.debug("Fetching page {}", pageCount);
@@ -246,7 +246,7 @@ private String callAPIWithPagination(String url, Integer pageSize) {
                 log.debug("Retrieved {} resources from page {}", pageResourceCount, pageCount);
             }
 
-            nextToken = getHeaderValue(response.getHeaders(), "x-next-token");
+            nextToken = getHeaderValue(response.getHeaders(), "x-jpmc-next-token");
 
             if (nextToken != null && !nextToken.isEmpty()) {
                 log.debug("Next token received, more pages available");