ROB-3472: Update datasource-catalog.json (#1806)

Updated the data source catalog to the new version which includes
categories as well as data sources

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## Summary by CodeRabbit

* **Refactor**
* Restructured the data source catalog into distinct collections for
categories and sources.
* Added richer category metadata (descriptions, icons, unique
identifiers).
  * Source entries now reference structured category identifiers.
* Improved organization for easier browsing, discovery, and filtering of
integrations.
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Signed-off-by: alonelish <alon.elish@gmail.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: alonelish