chore: Update release process

bin/release-script

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+# This script is supposed to be run by cargo-release.
+# It updates the changelog as necessary.
+
+set -euo pipefail
+
+towncrier build --name Continuwuity --version $NEW_VERSION --date "$(date -I)"
+
+./linkify-changelog.py