Merge pull request #946 from heroku/releaseprep/168

Release prep: changelog update

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 # Master
 
+--------------------------------------------------------------------------------
+
+# 168 (2020-04-06)
+
 - Doc: Update Readme with version numbers
 - update Code Owners to include the Heroku Buildpack Maintainers team
 - Deprecation warning: BUILD_WITH_GEO_LIBRARIES is now deprecated. See warning for details.
@@ -9,8 +13,6 @@
 - Update Python versions in README to match docs
 - Django version detection fixed, link updated
 
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-
 # 167 (2020-03-26)
 
 - Add failcase for cache busting