feat: async builds

[schultek]

Description

Type of Change

• [x] ✨ New feature (non-breaking change which adds functionality)
• [ ] 🛠️ Bug fix (non-breaking change which fixes an issue)
• [ ] ❌ Breaking change (fix or feature that would cause existing functionality to change)
• [ ] 🧹 Code refactor
• [ ] 📝 Documentation
• [ ] 🗑️ Chore

Ready Checklist

• [ ] I've read the Contribution Guide.
• [ ] In case this PR changes one of the core packages, I've modified the respective CHANGELOG.md file using the semantic_changelog format.
• [ ] I updated/added relevant documentation (doc comments with ///).

If you need help, consider asking for advice on the #contribute channel on Discord.

[docs-page[bot]]

To view this pull requests documentation preview, visit the following URL:

docs.page/schultek/jaspr~103

Documentation is deployed and generated using docs.page.

[github-actions[bot]]

Package Version Report

No packages have been updated.

[codecov[bot]]

Codecov Report

Patch coverage: 14.28% and project coverage change: -2.84% :warning:

Comparison is base (d9be6e6) 66.93% compared to head (a8bcef3) 64.10%. Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #103 +/- ## ========================================== - Coverage 66.93% 64.10% -2.84% ========================================== Files 96 86 -10 Lines 3774 3468 -306 ========================================== - Hits 2526 2223 -303 + Misses 1248 1245 -3 ``` | [Files Changed](https://app.codecov.io/gh/schultek/jaspr/pull/103?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kilian+Schulte) | Coverage Δ | | |---|---|---| | [packages/jaspr/lib/src/foundation/sync.dart](https://app.codecov.io/gh/schultek/jaspr/pull/103?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kilian+Schulte#diff-cGFja2FnZXMvamFzcHIvbGliL3NyYy9mb3VuZGF0aW9uL3N5bmMuZGFydA==) | `15.62% <ø> (-12.25%)` | :arrow_down: | | [...s/jaspr/lib/src/framework/multi\_child\_element.dart](https://app.codecov.io/gh/schultek/jaspr/pull/103?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kilian+Schulte#diff-cGFja2FnZXMvamFzcHIvbGliL3NyYy9mcmFtZXdvcmsvbXVsdGlfY2hpbGRfZWxlbWVudC5kYXJ0) | `90.43% <0.00%> (-0.80%)` | :arrow_down: | | [...es/jaspr/lib/src/framework/stateful\_component.dart](https://app.codecov.io/gh/schultek/jaspr/pull/103?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kilian+Schulte#diff-cGFja2FnZXMvamFzcHIvbGliL3NyYy9mcmFtZXdvcmsvc3RhdGVmdWxfY29tcG9uZW50LmRhcnQ=) | `82.40% <ø> (-2.40%)` | :arrow_down: | | [packages/jaspr/lib/src/framework/build\_owner.dart](https://app.codecov.io/gh/schultek/jaspr/pull/103?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kilian+Schulte#diff-cGFja2FnZXMvamFzcHIvbGliL3NyYy9mcmFtZXdvcmsvYnVpbGRfb3duZXIuZGFydA==) | `81.35% <15.38%> (-10.24%)` | :arrow_down: | ... and [24 files with indirect coverage changes](https://app.codecov.io/gh/schultek/jaspr/pull/103/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Kilian+Schulte)

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.