[ci] Update goreleaser configuration to generate changelog github style

Signed-off-by: Wilfried Roset <[email protected]>

.goreleaser.yml

@@ -56,4 +56,7 @@ release:
     - glob: "terraform-registry-manifest.json"
       name_template: "{{ .ProjectName }}_{{ .Version }}_manifest.json"
   # If you want to manually examine the release before its live, uncomment this line:
-  # draft: true
+  draft: true
+changelog:
+  disable: false
+  use: github