Fix maven central publishing

[mateuszkwiecinski]

No description provided.

[Copilot]

Pull request overview

This PR refactors the Maven Central publishing configuration to eliminate hardcoded description strings. The change moves the project description from the PublishingPlugin to the project-level build file, making it more maintainable and adding validation to ensure the description is always set.

Changes:

• Added project description property to keeper-gradle-plugin build file
• Refactored PublishingPlugin to use project.description instead of hardcoded strings
• Added validation check to ensure project.description is set before publishing

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
keeper-gradle-plugin/build.gradle.kts	Adds project description property for use in publishing metadata
gradle/plugins/src/main/kotlin/PublishingPlugin.kt	Replaces hardcoded description with project.description and adds validation check

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[github-actions]

Diffuse output:

OLD: diffuse-base-file
NEW: keeper-gradle-plugin.jar

       │          compressed          │         uncompressed         
       ├───────────┬───────────┬──────┼───────────┬───────────┬──────
 JAR   │ old       │ new       │ diff │ old       │ new       │ diff 
───────┼───────────┼───────────┼──────┼───────────┼───────────┼──────
 class │ 109.3 KiB │ 109.3 KiB │  0 B │ 214.9 KiB │ 214.9 KiB │  0 B 
 other │   5.3 KiB │   5.3 KiB │  0 B │  11.3 KiB │  11.3 KiB │  0 B 
───────┼───────────┼───────────┼──────┼───────────┼───────────┼──────
 total │ 114.6 KiB │ 114.6 KiB │  0 B │ 226.2 KiB │ 226.2 KiB │  0 B 

 CLASSES │ old │ new │ diff      
─────────┼─────┼─────┼───────────
 classes │  72 │  72 │ 0 (+0 -0) 
 methods │ 553 │ 553 │ 0 (+0 -0) 
  fields │ 118 │ 118 │ 0 (+0 -0)