build: add another category to our changelog

Signed-off-by: Carlos A Becker <caarlos0@users.noreply.github.com>

.goreleaser.yaml

@@ -65,6 +65,9 @@ changelog:
     - title: 'Documentation updates'
       regexp: ^.*?doc(\([[:word:]]+\))??!?:.+$
       order: 400
+    - title: 'Build process updates'
+      regexp: ^.*?build(\([[:word:]]+\))??!?:.+$
+      order: 400
     - title: Other work
       order: 9999