- name: Build extension run: npm run build
There is no legitimate or legal "license key" for the IE Tab extension available on GitHub . IE Tab is a proprietary commercial extension that requires a paid license for certain features and commercial use, and its developers do not distribute license keys via public code repositories. Official Licensing Information Ie Tab License Key Github
The result was a Base64‑encoded string—exactly what the extension expected. - name: Build extension run: npm run build