Update change log and bump next version (osmlab#451)

CHANGELOG.md

@@ -4,6 +4,16 @@ All notable changes to this project will be documented in this file. Dates are d
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+#### [6.1.9](https://github.com/osmlab/atlas-checks/compare/6.1.8...6.1.9)
+
+> 17 December 2020
+
+- Open boundary check [`#441`](https://github.com/osmlab/atlas-checks/pull/441)
+- max points 300000 [`#447`](https://github.com/osmlab/atlas-checks/pull/447)
+- OSM Relation Member size fix [`#443`](https://github.com/osmlab/atlas-checks/pull/443)
+- atlas date [`#444`](https://github.com/osmlab/atlas-checks/pull/444)
+- updating changelog [`#440`](https://github.com/osmlab/atlas-checks/pull/440)
+
 #### [6.1.8](https://github.com/osmlab/atlas-checks/compare/6.1.7...6.1.8)
 
 > 3 December 2020

gradle.properties

@@ -1,5 +1,5 @@
 group=org.openstreetmap.atlas
-version=6.1.9-SNAPSHOT
+version=6.1.10-SNAPSHOT
 maven2_url=https://oss.sonatype.org/service/local/staging/deploy/maven2/
 snapshot_url=https://oss.sonatype.org/content/repositories/snapshots/
 project_name="OSM Atlas Checks"