JS: Update parse error diagnostic name for consistency

Author: henrymercer

javascript/extractor/src/com/semmle/js/extractor/AutoBuild.java

@@ -508,7 +508,7 @@ public int run() throws IOException {
    * For use with the {@link #writeDiagnostics(String, JSDiagnosticKind)} method.
    */
   public static enum JSDiagnosticKind {
-    PARSE_ERROR("parse-error", "Parse error", DiagnosticLevel.Warning),
+    PARSE_ERROR("parse-error", "Could not process some files due to syntax errors", DiagnosticLevel.Warning),
     INTERNAL_ERROR("internal-error", "Internal error", DiagnosticLevel.Debug);
 
     private final String id;

javascript/ql/integration-tests/all-platforms/diagnostics/syntax-error/diagnostics.expected

@@ -11,7 +11,7 @@
   "source": {
     "extractorName": "javascript",
     "id": "javascript/parse-error",
-    "name": "Parse error"
+    "name": "Could not process some files due to syntax errors"
   },
   "visibility": {
     "cliSummaryTable": true,