fix data -> date typo

Author: whuffman36

google-cloud-bigquery/clirr-ignored-differences.xml

@@ -10,7 +10,7 @@
   <difference>
     <differenceType>7013</differenceType>
     <className>com/google/cloud/bigquery/ExternalTableDefinition*</className>
-    <method>*DataFormat(*)</method>
+    <method>*DateFormat(*)</method>
   </difference>
   <difference>
     <differenceType>7013</differenceType>
@@ -45,7 +45,7 @@
   <difference>
     <differenceType>7013</differenceType>
     <className>com/google/cloud/bigquery/LoadJobConfiguration*</className>
-    <method>*DataFormat(*)</method>
+    <method>*DateFormat(*)</method>
   </difference>
   <difference>
     <differenceType>7013</differenceType>