Add frappe dependency for frappe cloud bench

[davidbolla]

Reference: https://docs.frappe.io/cloud/benches/custom-app#note

[greptile-apps]

Greptile Summary

Adds Frappe 16 or newer as a Bench-managed dependency for Frappe Cloud bench installation.

Confidence Score: 3/5

The Frappe dependency range must be bounded before merging because the current declaration blocks the targeted Frappe Cloud installation flow.

Frappe Cloud validates custom-app dependency ranges and rejects the newly added single-sided >=16.0.0 constraint, preventing bench creation or app installation.

Files Needing Attention: pyproject.toml

Important Files Changed

Filename	Overview
pyproject.toml	Adds an unbounded Frappe dependency declaration that Frappe Cloud rejects during custom-bench validation.

Prompt To Fix All With AI

Fix the following 1 code review issue. Work through them one at a time, proposing concise fixes.

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### Issue 1 of 1
pyproject.toml:19
**Unbounded range blocks cloud deployment**

Frappe Cloud rejects single-sided dependency ranges during app validation, so `>=16.0.0` prevents this app from being installed when creating the custom bench the change targets. Declare a bounded Frappe version range accepted by the platform.

_{Reviews (1): Last reviewed commit: "Add frappe dependency for frappe bench" | Re-trigger Greptile}

[greptile-apps]

Unbounded range blocks cloud deployment

Frappe Cloud rejects single-sided dependency ranges during app validation, so >=16.0.0 prevents this app from being installed when creating the custom bench the change targets. Declare a bounded Frappe version range accepted by the platform.

Prompt To Fix With AI

This is a comment left during a code review.
Path: pyproject.toml
Line: 19

Comment:
**Unbounded range blocks cloud deployment**

Frappe Cloud rejects single-sided dependency ranges during app validation, so `>=16.0.0` prevents this app from being installed when creating the custom bench the change targets. Declare a bounded Frappe version range accepted by the platform.

How can I resolve this? If you propose a fix, please make it concise.