chore(deps): bump @jspm/import-map from 1.0.7 to 1.0.8

Bumps [@jspm/import-map](https://github.com/jspm/import-map) from 1.0.7 to 1.0.8.
- [Release notes](https://github.com/jspm/import-map/releases)
- [Commits](jspm/import-map@1.0.7...1.0.8)

---
updated-dependencies:
- dependency-name: "@jspm/import-map"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]