Updated plexus-utils used in antlr4-maven-plugin manually due to
CVE-2017-1000487.

Change-Id: I69aae162c880707ed087ca06cdf38be373679959
diff --git a/Changes b/Changes
index 22f037d..84e4bed 100644
--- a/Changes
+++ b/Changes
@@ -1,9 +1,11 @@
-0.37 2021-03-04
+0.37 2021-06-24
     - [feature] Introduced query references in Poliqarp (diewald)
     - [bugfix] Ignore empty corpus queries (diewald)
     - [bugfix] Fix handling of apostrophes in multiword and regex
       values in virtual corpora (#85; diewald)
     - [feature] Added getVersion() and getName() methods (diewald)
+    - [bugfix] Updated plexus-utils used in antlr4-maven-plugin 
+      manually due to CVE-2017-1000487 (margaretha)
 
 0.36 2020-07-24
     - [security] Upgraded version of Google Guava