Keep npm release automation from crashing before publish

Recent main-branch release workflow runs were failing before the Version Packages
PR could be created because changesets/action tried to read per-package
CHANGELOG.md files that do not exist in this repo. The repo deliberately
keeps `.changeset/config.json` on `changelog: false`, so disable
`createGithubReleases` to match that model and stop the action from
expecting generated changelog files.

Constraint: Repository package releases intentionally run with `.changeset/config.json` set to `changelog: false`
Constraint: Existing GitHub Actions runs on 2026-03-25, 2026-03-26, and 2026-03-28 failed with ENOENT on missing package CHANGELOG.md files
Rejected: Add per-package CHANGELOG.md generation | unnecessary extra release surface for a repo that intentionally skips changelog files
Confidence: high
Scope-risk: narrow
Reversibility: clean
Directive: If you later enable Changesets changelog generation, revisit `createGithubReleases` together with package CHANGELOG.md expectations
Tested: npm run ci; npx changeset status; gh run view failed release logs for runs 23547709848, 23602324893, 23687336625
Not-tested: Live post-fix GitHub Actions release run on main

.github/workflows/release-npm.yml

@@ -43,6 +43,7 @@ jobs:
           publish: npm run release:npm
           commit: "chore: version packages"
           title: "chore: version packages"
+          createGithubReleases: false
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

docs/releasing.md

@@ -18,6 +18,7 @@
 3. Changesets가 Version Packages PR 생성
 4. Version Packages PR merge
 5. GitHub Actions가 변경된 npm 패키지만 `NPM_TOKEN` 으로 publish
+6. npm 패키지용 GitHub Release 는 만들지 않는다 (`.changeset/config.json` 이 `changelog: false` 이므로 `createGithubReleases: false` 유지)
 
 ## Python 패키지