release note for ide dbt deps (#4243)

pr adds new release note for ide dbt deps change

website/docs/docs/dbt-versions/release-notes/03-Oct-2023/dbt-deps-auto-install.md

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+---
+title: "Enhancement: dbt Cloud auto-installs 'dbt deps' on startup"
+description: "October 2023 :The dbt Cloud IDE and dbt Cloud CLI auto-handles 'dbt deps' on startup; manual run needed for 'packages.yml' changes. Available for multi-tenant users (single-tenant support coming soon) and applies to all dbt versions."
+sidebar_label: "Enhancement: dbt Cloud auto-installs 'dbt deps' on startup"
+tags: [Oct-2023, IDE]
+date: 2023-10-17
+sidebar_position: 06
+---
+
+The dbt Cloud IDE and dbt Cloud CLI now automatically installs `dbt deps` when your environment starts or when necessary. Previously, it would prompt you to run `dbt deps` during initialization. 
+
+This improved workflow is available to all multi-tenant dbt Cloud users (Single-tenant support coming next week) and applies to dbt versions.
+
+However, you should still run the `dbt deps` command in these situations:
+
+- When you make changes to the `packages.yml` or `dependencies.yml` file.
+- When you update the package version in the `packages.yml` or `dependencies.yml` file. (From dbt v1.7 or higher)
+- If you edit the `dependencies.yml` file and the number of packages remains the same, run `dbt deps`. (Note that this is a known bug dbt Labs will fix in the future.)
+
+
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