Bump checkstyle from 8.36.2 to 8.37

Bumps [checkstyle](https://github.com/checkstyle/checkstyle) from 8.36.2 to 8.37.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](https://github.com/checkstyle/checkstyle/compare/checkstyle-8.36.2...checkstyle-8.37)

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index db6b464..c6cd9a6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -97,7 +97,7 @@
     </commons.scmPubUrl>
     <commons.scmPubCheckoutDirectory>site-content</commons.scmPubCheckoutDirectory>
     <checkstyle.plugin.version>3.1.1</checkstyle.plugin.version>
-    <checkstyle.version>8.36.2</checkstyle.version>
+    <checkstyle.version>8.37</checkstyle.version>
     <maven-scm.version>1.11.2</maven-scm.version>
     <commons.spotbugs.version>4.1.3</commons.spotbugs.version>
     <commons.spotbugs.impl.version>4.1.3</commons.spotbugs.impl.version>    
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index d82d742..64e3c33 100755
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -38,7 +38,7 @@
       <action type="update" dev="ggregory">Update Maven dependencies from 3.6.1 to 3.6.3.</action>
       <action type="update" dev="ggregory">Update Apache Commons Compress from 1.19 to 1.20.</action>
       <action type="update" dev="ggregory">Update commons-io:commons-io from 2.6 to 2.8 #13.</action>
-      <action type="update" dev="ggregory">Update checkstyle from 8.34 to 8.35 #5.</action>
+      <action type="update" dev="ggregory">Update checkstyle from 8.34 to 8.37 #5 #27.</action>
       <action type="update" dev="ggregory">Update actions/checkout from v2.3.1 to v2.3.3 #8, #16.</action>
       <action type="update" dev="ggregory">Update velocity-engine-core from 2.1 to 2.2 #4.</action>
       <action type="update" dev="ggregory">Update commons-codec from 1.14 to 1.15.</action>