fix: Fix spelling mistakes in code comments

[vermarjun]

Closes #1148

Fixed spelling mistakes found in JSDoc comments across 4 .d.ts type
declaration files in packages/concerto-core/types/. JSDoc comments in
.d.ts files surface directly in IDE tooltips and autocomplete hints for
library consumers, so these typos affect the developer experience of anyone
using this package.

Changes

• lib/model/relationship.d.ts: Contructs → Constructs
• lib/model/relationship.d.ts: compatability → compatibility (×2)
• lib/model/typed.d.ts: Overriden → Overridden
• lib/serializer/objectvalidator.d.ts: resouce → resource (×2)
• lib/serializer/resourcevalidator.d.ts: resouce → resource (×2)

Flags

• Comment/documentation-only changes — zero functional impact
• No tests required as no logic was modified
• Note: These .d.ts files may be generated from source files that
  contain the same typos. The same fixes may need to be applied to the
  original source to prevent the typos from returning on next type generation.

Screenshots or Video

N/A — comment-only changes

Related Issues

• Issue fix: Fix spelling mistakes in JSDoc comments in .d.ts type declaration files #1148

Author Checklist

• Ensure you provide a DCO sign-off for your commits using the --signoff option of git commit.
• Vital features and changes captured in unit and/or integration tests
• Commits messages follow AP format
• Extend the documentation, if necessary
• Merging to main from fork:branchname

[vermarjun]

@sanketshevkar @mttrbrts can you please review it?

[github-actions]

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