Update dependencies of tools and website

[ralfhandl]

Procedure

In tools folder

• check for outdated dependencies: npm outdated
• update outdated packages one-by-one with re-test, or in one go if you feel lucky
• npm run build, check for errors or warnings
• npm run test, check results
• npm run api-designer, test interactively
• npm run api-explorer, test interactively
• switch to website, run a clean re-build and test interactively
• deploy website, test live version interactively

If anything fails, roll back, and if the deployed website is now broken, redeploy the old version.

In website folder

• check for outdated dependencies: npm outdated
• update outdated packages one-by-one with re-test, or in one go if you feel lucky
• npm run build, check for errors or warnings
• npm start, test interactively
• npm run deploy, test live version interactively

If anything fails, roll back, and if the deployed website is now broken, redeploy the old version.