icecat: add release icecat-140.7.0-1gnu1 for aramo

icecat/toolkit/components/pdfjs/content/PdfStreamConverter.sys.mjs

@@ -1203,6 +1203,9 @@ PdfStreamConverter.prototype = {
       );
       // The viewer does not need to handle HTTP Refresh header.
       aRequest.setResponseHeader("Refresh", "", false);
+      // There is no reason to load something via <link>: the only external
+      // resource is the pdf itself.
+      aRequest.setResponseHeader("Link", "", false);
     }
 
     lazy.PdfJsTelemetryContent.onViewerIsUsed();