fix(schema): update schema to remove warning around seedMetadata

[azlam-abdulsalam]

Adds seedMetadata to the supported feature list

fixes #1349

Summary generated by Reviewpad on 01 Sep 23 04:16 UTC

This pull request updates the schema to remove a warning related to "seedMetadata". It adds "seedMetadata" to the supported feature list. This patch includes 127 insertions and 49 deletions in the sfdx-project.schema.json file. The change fixes issue #1349.

Checklist

All items have to be completed before a PR is merged

• [x] Adhere to Contribution Guidelines
• [x] Updates to Decision Records considered?
• [x] Updates to documentation at DX@Scale Guide considered?
• [x] Tested changes?
• [x] Unit Tests new and existing passing locally?

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (8ecad97) 46.91% compared to head (ecf6c13) 46.91%.

:exclamation: Current head ecf6c13 differs from pull request most recent head eebe718. Consider uploading reports for the commit eebe718 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1400 +/- ## ======================================= Coverage 46.91% 46.91% ======================================= Files 70 70 Lines 2656 2656 Branches 309 309 ======================================= Hits 1246 1246 Misses 1408 1408 Partials 2 2 ```

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