chore(ci): fix changelog generation

Author: sthulb

.chglog/CHANGELOG.tpl.md

@@ -0,0 +1,67 @@
+<!-- changelog is partially generated, so it doesn't follow headings and required structure, so we disable it. -->
+<!-- markdownlint-disable -->
+
+{{ if .Versions -}}
+<a name="unreleased"></a>
+# Unreleased
+
+{{ if .Unreleased.CommitGroups -}}
+{{ range .Unreleased.CommitGroups -}}
+## {{ .Title }}
+
+{{ range .Commits -}}
+{{ if and (not (hasPrefix .Subject "changelog rebuild")) (not (hasPrefix .Subject "layer docs update")) (not (hasPrefix .Subject "bump version to")) -}}
+* {{ if .Scope }}**{{ .Scope }}:** {{ end }}{{ .Subject }}
+{{ end -}}
+{{ end }}
+{{ end -}}
+{{ end -}}
+{{ end -}}
+
+{{ range .Versions }}
+<a name="{{ .Tag.Name }}"></a>
+## {{ if .Tag.Previous }}[{{ .Tag.Name }}]{{ else }}{{ .Tag.Name }}{{ end }} - {{ datetime "2006-01-02" .Tag.Date }}
+{{ range .CommitGroups -}}
+
+## {{ .Title }}
+
+{{ range .Commits -}}
+{{ if and (not (hasPrefix .Subject "changelog rebuild")) (not (hasPrefix .Subject "layer docs update")) (not (hasPrefix .Subject "bump version to")) -}}
+* {{ if .Scope }}**{{ .Scope }}:** {{ end }}{{ .Subject }}
+{{ end -}}
+{{ end }}
+{{ end -}}
+
+{{- if .RevertCommits -}}
+## Reverts
+{{ range .RevertCommits -}}
+* {{ .Revert.Header }}
+{{ end }}
+{{ end -}}
+
+{{- if .MergeCommits -}}
+## Pull Requests
+
+{{ range .MergeCommits -}}
+* {{ .Header }}
+{{ end }}
+{{ end -}}
+
+{{- if .NoteGroups -}}
+{{ range .NoteGroups -}}
+## {{ .Title }}
+{{ range .Notes }}
+{{ .Body }}
+{{ end }}
+{{ end -}}
+{{ end -}}
+{{ end -}}
+
+{{- if .Versions }}
+[Unreleased]: {{ .Info.RepositoryURL }}/compare/{{ $latest := index .Versions 0 }}{{ $latest.Tag.Name }}...HEAD
+{{ range .Versions -}}
+{{ if .Tag.Previous -}}
+[{{ .Tag.Name }}]: {{ $.Info.RepositoryURL }}/compare/{{ .Tag.Previous.Name }}...{{ .Tag.Name }}
+{{ end -}}
+{{ end -}}
+{{ end -}}

.chglog/config.yml

@@ -0,0 +1,37 @@
+style: github
+template: CHANGELOG.tpl.md
+info:
+  title: CHANGELOG
+  repository_url: https://github.com/aws-powertools/powertools-lambda-java
+options:
+  commits:
+    filters:
+      Type:
+        - feat
+        - fix
+        - perf
+        - refactor
+        - docs
+        - chore
+        - revert
+  commit_groups:
+    title_maps:
+      feat: Features
+      fix: Bug Fixes
+      perf: Performance Improvements
+      refactor: Code Refactoring
+      docs: Documentation
+      chore: Maintenance
+      revert: Regression
+  header:
+    pattern: "^(\\w*)(?:\\(([\\w\\$\\.\\-\\*\\s]*)\\))?\\:\\s(.*)$"
+    pattern_maps:
+      - Type
+      - Scope
+      - Subject
+  notes:
+    keywords:
+      - BREAKING CHANGE
+  # issues:
+  #   prefix:
+  #     - #