#730 Upgrade bulma to 1.0.2

[EpicGuy4000]

Which problem is this PR solving?

Resolves #730 - Upgrade bulma to 1.x

Description of the changes

• Use dartsass transpiler because bulma no longer supports the hugo default libsass.
• Remove semicolon at end of indented lines because of build errors.

How was this change tested?

• make build now passes
• visually there are a few changes since bulma updated their styles as per documentation

Checklist

• I have read https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
• I have signed all commits
• I have added unit tests for the new functionality
• I have run lint and test steps successfully
  • for jaeger: make lint test
  • for jaeger-ui: yarn lint and yarn test

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[EpicGuy4000]

@yurishkuro the build is currently failing because DartSass is not available in the build environment, and it needs to be in order to support Bulma 1.x. This is not something we can circumvent if we want to do the upgrade.

[yurishkuro]

My preference is to have a normal Node module somewhere with a proper package.json and a build command in it. We should not vendor dependencies, but we can commit the generated stylesheets (generated with said build command). This way we don't need Node as part of the regular build process, only when we want to regenerate the stylesheets.