[Adammatthiesen]

This pull request updates the project to support the latest versions of its dependencies, most notably matthiesen_core 2.x, fabric-loader 0.18.4+, and neoforge 21.1.234+. It also integrates the new faststats metrics library, updates documentation accordingly, and makes necessary code and configuration changes for compatibility.

Dependency and Compatibility Updates:

• Updated matthiesen_core dependency to version 2.0.0+ and adjusted version ranges in both fabric.mod.json and neoforge.mods.toml for compatibility. [1] [2]
• Updated fabric-loader to 0.18.4+ and neoforge to 21.1.234+ across build files and documentation. [1] [2] [3] [4]
• Updated cobblemon to 1.8.4+1.21.1 in dependency versions.

FastStats Metrics Integration:

• Added faststats and platform-specific dependencies to the project, updated Gradle bundles, and included new repositories for FastStats artifacts. [1] [2] [3] [4]
• Changed code imports to reference the new faststats package and updated the documentation to reflect the new metrics configuration file path. [1] [2]

Documentation Updates:

• Updated the compatibility table in README.md to include new supported versions.
• Updated instructions for opting out of metrics to point to the new faststats configuration file.

Code Compatibility Fixes:

• Updated import paths for PacketContext to match changes in matthiesen_core 2.x.