chore(ci): improve changelog

Signed-off-by: Carlos A Becker <caarlos0@gmail.com>

.gitignore

@@ -15,3 +15,4 @@ www/site
 testdata/acceptance/tmp/
 completions/
 .task/
+cosign.*

.goreleaser.yml

@@ -6,6 +6,7 @@ before:
     - go mod tidy
     - ./scripts/completions.sh
     - wget -c https://raw.githubusercontent.com/goreleaser/goreleaser/master/cosign.key -O /tmp/goreleaser_cosign.key
+    - wget -c https://raw.githubusercontent.com/goreleaser/goreleaser/master/cosign.pub -O /tmp/goreleaser_cosign.pub
 
 gomod:
   proxy: true
@@ -140,7 +141,6 @@ nfpms:
     - src: ./completions/nfpm.zsh
       dst: /usr/local/share/zsh/site-functions/_nfpm
 
-
 furies:
   - account: goreleaser
 
@@ -164,18 +164,35 @@ changelog:
     - '^test:'
     - '^chore'
     - Merge pull request
+    - Merge remote-tracking branch
     - Merge branch
     - go mod tidy
+  groups:
+    - title: 'New Features'
+      regexp: "^.*feat[(\\w)]*:+.*$"
+      order: 0
+    - title: 'Bug fixes'
+      regexp: "^.*fix[(\\w)]*:+.*$"
+      order: 10
+    - title: Other work
+      order: 999
 
 checksum:
   name_template: 'checksums.txt'
 
 release:
+  extra_files:
+    - glob: cosign.pub
   footer: |
+    **Full Changelog**: https://github.com/goreleaser/nfpm/compare/{{ .PreviousTag }}...{{ .Tag }}
+
     ---
 
     - Check out [GoReleaser](https://goreleaser.com): it integrates nFPM to the release pipeline of your Go projects.
 
+milestones:
+  - close: true
+
 announce:
   skip: "{{gt .Patch 0}}"
   twitter: