Improved error formatting when dependencies fail to resolve

[mattyoung]

Description

When there is dependency conflicts, the error message should be clearer and should show how to resolve issue.

Xcode Version 15.1 beta (15C5028h)

See https://forums.swift.org/t/what-s-the-right-way-to-create-a-command-line-tool-using-argumentparser-swift-package-or-xcode-create-mac-command-line-tool-project/68050/4

Expected behavior

No response

Actual behavior

No response

Steps to reproduce

No response

Swift Package Manager version/commit hash

No response

Swift & OS version (output of swift --version && uname -a)

swift-driver version: 1.87.2 Apple Swift version 5.9 (swiftlang-5.9.2.1.6 clang-1500.1.0.1.1)
Target: arm64-apple-macosx14.0
Darwin MacBook-Air-M2.local 23.0.0 Darwin Kernel Version 23.0.0: Fri Sep 15 14:42:57 PDT 2023; root:xnu-10002.1.13~1/RELEASE_ARM64_T8112 arm64

[MaxDesiatov]

Would you mind pasting the exact error message that made you file the issue to the issue description? A link to a forum post is good, but it can become 404 with no warning, so it would be great to include the exact error message here for posterity.

[lawyoum]

هل تمانع في لصق رسالة الخطأ الدقيقة التي جعلتك تقدم المشكلة إلى وصف المشكلة؟ يعد الارتباط بمنشور منتدى جيدا ، ولكن يمكن أن يصبح 404 بدون سابق إنذار ، لذلك سيكون من الرائع تضمين رسالة الخطأ الدقيقة هنا للأجيال القادمة.