ci: reworks changelog and release notes generation (#6164)

scripts/utils/getLatestCommits.ts

@@ -0,0 +1,16 @@
+import type { ChangelogConfig } from 'changelogen'
+
+import { determineSemverChange, getGitDiff, loadChangelogConfig, parseCommits } from 'changelogen'
+
+export async function getLatestCommits(
+  fromVersion: string,
+  toVersion: string,
+  config?: ChangelogConfig,
+) {
+  if (!config) {
+    config = await loadChangelogConfig(process.cwd(), {
+      repo: 'payloadcms/payload',
+    })
+  }
+  return parseCommits(await getGitDiff(fromVersion, toVersion), config)
+}