🔥 CI/www-build is on fire

[ChrisCummins]

Issue to track the build failure of the CI/www-build job. Example error:

added 1827 packages, and audited 2028 packages in 1m
205 packages are looking for funding
  run `npm fund` for details
6 high severity vulnerabilities
To address all issues (including breaking changes), run:
  npm audit fix --force
Run `npm audit` for details.
> compiler_gym-frontend@0.1.0 build
> react-scripts --openssl-legacy-provider build
Creating an optimized production build...
Treating warnings as errors because process.env.CI = true.
Most CI servers set it automatically.
Failed to compile.
Warning
(6:[27](https://github.com/facebookresearch/CompilerGym/runs/6867197296?check_suite_focus=true#step:5:28)005) autoprefixer: Replace color-adjust to print-color-adjust. The color-adjust shorthand is currently deprecated.

@sahirgomez1 agreed to take a look at this later this week.

[sahirgomez1]

Closing this issue with #729