C#: Update external models expected test output.

Author: michaelnebel

csharp/ql/test/library-tests/dataflow/external-models/sinks.expected

@@ -4,5 +4,5 @@ invalidModelRow
 | Sinks.cs:11:13:11:41 | this access | file-content-store |
 | Sinks.cs:11:30:11:40 | access to local variable argToTagged | file-content-store |
 | Sinks.cs:14:27:14:36 | access to local variable fieldWrite | sql-injection |
-| Sinks.cs:20:20:20:22 | access to local variable res | js-injection |
-| Sinks.cs:27:20:27:25 | access to local variable resTag | html-injection |
+| Sinks.cs:26:20:26:22 | access to local variable res | js-injection |
+| Sinks.cs:33:20:33:25 | access to local variable resTag | html-injection |

csharp/ql/test/library-tests/dataflow/external-models/srcs.expected

@@ -9,9 +9,9 @@ invalidModelRow
 | Sources.cs:17:17:17:33 | call to method TaggedSrcMethod | local |
 | Sources.cs:18:17:18:30 | access to field TaggedSrcField | local |
 | Sources.cs:20:17:20:33 | call to method SrcTwoArg | local |
-| Sources.cs:24:14:24:20 | this | local |
-| Sources.cs:24:29:24:45 | taggedMethodParam | local |
-| Sources.cs:28:49:28:62 | taggedSrcParam | local |
-| Sources.cs:40:45:40:45 | p | local |
-| Sources.cs:47:50:47:50 | p | local |
-| Sources.cs:53:16:53:30 | this | local |
+| Sources.cs:27:14:27:20 | this | local |
+| Sources.cs:27:29:27:45 | taggedMethodParam | local |
+| Sources.cs:31:47:31:60 | taggedSrcParam | local |
+| Sources.cs:43:45:43:45 | p | local |
+| Sources.cs:50:50:50:50 | p | local |
+| Sources.cs:56:16:56:30 | this | local |