Use gradle.properties for library version in maven release

[Copilot]

This change implements centralized version management by reading the library version from gradle.properties instead of hardcoding it in the build script.

Changes Made

1. Added version property to gradle.properties

   # Library version for maven publishing
   version=1.0.0

2. Updated lib/build.gradle.kts to read version dynamically

   // Before
   version = "1.0.0"
   
   // After  
   version = project.findProperty("version") as String? ?: "1.0.0"

3. Removed outdated versioning suggestions from GitHub workflow

   • Cleaned up comments in .github/workflows/publish-github-packages.yml that suggested this approach

Benefits

• Centralized version management: Version is now defined in one place (gradle.properties)
• Easier releases: Version can be updated in a single location for all publishing tasks
• Backward compatibility: Fallback to "1.0.0" if property is missing
• Follows Gradle best practices: Using project properties for configuration

Verification

• ✅ Build and tests pass with new configuration
• ✅ POM generation correctly uses version from gradle.properties
• ✅ Version changes in gradle.properties are properly reflected in published artifacts

Fixes #22.

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[Copilot]

Pull Request Overview

This PR centralizes version management by moving the library version from a hardcoded value in the build script to the gradle.properties file.

• Dynamically retrieves the version from gradle.properties with a fallback to "1.0.0".
• Removes outdated, hardcoded versioning comments from the GitHub workflow file.

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
lib/build.gradle.kts	Updated to dynamically read the version from project properties.
gradle.properties	Added a version property for centralized version management.
.github/workflows/publish-github-packages.yml	Removed outdated comments regarding hardcoded versioning.