KedroDataCatalog release updates

[ElenaKhaustova]

Description

Context: https://github.com/orgs/kedro-org/projects/2/views/4?pane=issue&itemId=81553599

Development notes

1. Updated release notes, module and class docstrings with the clarification about future possible breaking changes and added usage example.
2. Removed previously added add_data() method as it was considered as odd when working on [DataCatalog2.0]: Extend KedroDataCatalog with dict interface #4175,

   kedro/kedro/io/kedro_data_catalog.py

   Line 338 in 643219d

   def add_data(self, data: dict[str, Any], replace: bool = False) -> None:

   
   So it was decided not to introduce it.

Developer Certificate of Origin

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If your PR is blocked due to unsigned commits, then you must follow the instructions under "Rebase the branch" on the GitHub Checks page for your PR. This will retroactively add the sign-off to all unsigned commits and allow the DCO check to pass.

Checklist

• Read the contributing guidelines
• Signed off each commit with a Developer Certificate of Origin (DCO)
• Opened this PR as a 'Draft Pull Request' if it is work-in-progress
• Updated the documentation to reflect the code changes
• Added a description of this change in the RELEASE.md file
• Added tests to cover my changes
• Checked if this change will affect Kedro-Viz, and if so, communicated that with the Viz team

[lrcouto]

LGTM!

[merelcht]

Some small adjustments to wording, but otherwise looks good 👍