Build Automation for Version Bump and Changelog

.changes/header.tpl.md

@@ -1,4 +1,4 @@
-# dbt Core Changelog
+# dbt-common Changelog
 
 - This file provides a full account of all changes to `dbt-common`
 - Changes are listed under the (pre)release in which they first appear. Subsequent releases include changes from previous releases.

.changes/unreleased/Under the Hood-20240730-111902.yaml

@@ -0,0 +1,6 @@
+kind: Under the Hood
+body: Automate changelog and version bump during release
+time: 2024-07-30T11:19:02.277008-04:00
+custom:
+  Author: peterallenwebb
+  Issue: "171"