Fix changelog... again

It seems that 1.15.0 and 1.16.4 of
github_changelog_generator produce very different output.

Author: genebean

CHANGELOG.md

@@ -32,28 +32,22 @@ All notable changes to this project will be documented in this file. The format
 - Enable service by default [\#22](https://github.com/grafana/puppet-promtail/pull/22) ([kubicgruenfeld](https://github.com/kubicgruenfeld))
 - bump default promtail version to v2.0.0 [\#20](https://github.com/grafana/puppet-promtail/pull/20) ([kubicgruenfeld](https://github.com/kubicgruenfeld))
 - allow custom source-url [\#19](https://github.com/grafana/puppet-promtail/pull/19) ([kubicgruenfeld](https://github.com/kubicgruenfeld))
-
-## [0.3.1](https://github.com/grafana/puppet-promtail/tree/0.3.1) (2020-01-13)
-
-[Full Changelog](https://github.com/grafana/puppet-promtail/compare/0.3.0...0.3.1)
+- Bump default promtail version to v1.2.0 [\#14](https://github.com/grafana/puppet-promtail/pull/14) ([genebean](https://github.com/genebean))
+- Add example of merging scrape configs from Hiera [\#13](https://github.com/grafana/puppet-promtail/pull/13) ([genebean](https://github.com/genebean))
 
 ### Fixed
 
 - Updated default checksum on Linux [\#16](https://github.com/grafana/puppet-promtail/pull/16) ([genebean](https://github.com/genebean))
+- Release file name changed from version v0.4.0 [\#12](https://github.com/grafana/puppet-promtail/pull/12) ([LDaneliukas](https://github.com/LDaneliukas))
+- Modify the type of archive depending on release version [\#11](https://github.com/grafana/puppet-promtail/pull/11) ([LDaneliukas](https://github.com/LDaneliukas))
 
-## [0.3.0](https://github.com/grafana/puppet-promtail/tree/0.3.0) (2020-01-13)
-
-[Full Changelog](https://github.com/grafana/puppet-promtail/compare/0.2.0...0.3.0)
-
-### Added
+## [0.3.1](https://github.com/grafana/puppet-promtail/tree/0.3.1) (2020-01-13)
 
-- Bump default promtail version to v1.2.0 [\#14](https://github.com/grafana/puppet-promtail/pull/14) ([genebean](https://github.com/genebean))
-- Add example of merging scrape configs from Hiera [\#13](https://github.com/grafana/puppet-promtail/pull/13) ([genebean](https://github.com/genebean))
+[Full Changelog](https://github.com/grafana/puppet-promtail/compare/0.3.0...0.3.1)
 
-### Fixed
+## [0.3.0](https://github.com/grafana/puppet-promtail/tree/0.3.0) (2020-01-13)
 
-- Release file name changed from version v0.4.0 [\#12](https://github.com/grafana/puppet-promtail/pull/12) ([LDaneliukas](https://github.com/LDaneliukas))
-- Modify the type of archive depending on release version [\#11](https://github.com/grafana/puppet-promtail/pull/11) ([LDaneliukas](https://github.com/LDaneliukas))
+[Full Changelog](https://github.com/grafana/puppet-promtail/compare/0.2.0...0.3.0)
 
 ## [0.2.0](https://github.com/grafana/puppet-promtail/tree/0.2.0) (2019-12-12)