Bump @release-it-plugins/workspaces from 4.2.0 to 5.0.3

---
updated-dependencies:
- dependency-name: "@release-it-plugins/workspaces"
  dependency-version: 5.0.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -21,7 +21,7 @@
   "devDependencies": {
     "@glint/core": "^1.5.2",
     "@release-it-plugins/lerna-changelog": "^7.0.0",
-    "@release-it-plugins/workspaces": "^4.2.0",
+    "@release-it-plugins/workspaces": "^5.0.3",
     "concurrently": "^9.1.2",
     "prettier": "^3.5.3",
     "prettier-plugin-ember-template-tag": "^2.0.5",