Renamed 'process' to 'processorData' (#251)

Reviewed-on: #251
Reviewed-by: Mikolaj Widla <widlam@noreply.example.com>
Co-authored-by: Adam Bem <adam.bem@zoho.eu>
Co-committed-by: Adam Bem <adam.bem@zoho.eu>

Samples/xquery/xquery.json

@@ -1,6 +1,6 @@
 {
     "data": "<people><person><name>John</name><age>67</age></person><person><name>Anna</name><age>69</age></person></people>",
-    "process": "for $x in //person return string($x/name)",
+    "processorData": "for $x in //person return string($x/name)",
     "processor": "saxon",
     "version": "3.1"
 }