NPM package: Export translate.loader.utils

[tkohr]

... to allow reuse of dropEmptyTranslations() via npm package.

[github-actions]

Affected libs: util-i18n, api-metadata-converter, api-repository, feature-catalog, feature-record, feature-router, feature-search, feature-map, feature-dataviz, feature-auth, feature-editor, ui-search, util-app-config, ui-elements, ui-catalog, ui-dataviz, ui-inputs,
Affected apps: metadata-converter, metadata-editor, datahub, demo, webcomponents, map-viewer, search, datafeeder,

• 🚀 Build and deploy storybook and demo on GitHub Pages
• 📦 Build and push affected docker images

[coveralls]

coverage: 83.214% (+0.9%) from 82.321%
when pulling 14701a1 on translate-loader-utils
into 162f13e on main.