fix: generate CHANGELOG.md files again (#854)

## PR Checklist

- [x] Addresses an existing open issue: fixes #842
- [x] That issue was marked as [`status: accepting
prs`](https://github.com/JoshuaKGoldberg/create-typescript-app/issues?q=is%3Aopen+is%3Aissue+label%3A%22status%3A+accepting+prs%22)
- [x] Steps in
[CONTRIBUTING.md](https://github.com/JoshuaKGoldberg/create-typescript-app/blob/main/.github/CONTRIBUTING.md)
were taken

## Overview

Going off the docs in
https://github.com/release-it/release-it/blob/e2e0c34cd392f7c87e41300b10c2d398582d32ce/docs/changelog.md#conventional-changelog.

I think I'd started investigating accessibility compliance across
changelog options and never got around to finishing it.

Author: JoshuaKGoldberg

.release-it.json

@@ -8,7 +8,11 @@
 		"release": true,
 		"releaseName": "v${version}"
 	},
-	"npm": {
-		"publishArgs": ["--provenance"]
+	"npm": { "publishArgs": ["--provenance"] },
+	"plugins": {
+		"@release-it/conventional-changelog": {
+			"infile": "CHANGELOG.md",
+			"preset": "angular"
+		}
 	}
 }

cspell.json

@@ -15,6 +15,7 @@
 		"contributorsrc",
 		"conventionalcommits",
 		"execa",
+		"infile",
 		"joshuakgoldberg",
 		"knip",
 		"lcov",

package.json

@@ -62,6 +62,7 @@
 	},
 	"devDependencies": {
 		"@octokit/request-error": "^5.0.0",
+		"@release-it/conventional-changelog": "^7.0.1",
 		"@types/eslint": "^8.44.2",
 		"@types/git-url-parse": "^9.0.1",
 		"@types/js-yaml": "^4.0.5",