Chameleon v0.13.0-SNAPSHOT

fix: v0.13.0-SNAPSHOT (#187)

 * Separate publish and release workflow from gradle workflow.
 * Switch to `ncipollo/release-action@v1` for creating releases in publish workflow.
 * Update README.md with more information on platforms.
 * Reformat README.md.
 * annotations: Remove `Plugin.Platform`.
 * annotations: Rename `@PlatformDependeny` to `@Dependency`.
 * annotations: Fix bugs in generated main classes
 * Rewrite some Javadoc to make it easier to read.
 * Replace `PluginData` with `ChameleonPluginData` which has builders.
 * Rename plural packages to singular for consistency (users -> user, logging -> logger, etc.).
 * Add Preconditions to aid in checking states and validating arguments.
 * Rewrite Adventure mappers and audience reflection to adapt to Adventure changes and remove static use to avoid problems. (resolves #186)
 * Use `Collection` instead of `List` or `Set` in return types.
 * Add `EventSubscriber.Builder#filters(Collection)`.
 * Create `ServerEvent`.
 * Create `ConsoleUser`to represent platform consoles.
 * Add `Platform.<type>` constants, e.g. `Platform.BUKKIT -> "Bukkit"`.
 * Make PlatformTarget extend Predicate and a functional interface.
 * Add `PlatformTarget.<type>()` methods to match platforms by id, e.g. `PlatformTarget.bukkit()`.
 * Rename `ProxyUser#getServer()` to `ProxyUser#getConnectedServer()` for clarity.
 * Remove `User#chat(String)` and `User#chat(Component)` due to changes in Minecraft 1.19.1+.
 * Make `User` implement `net.kyori.adventure.identity.Identified`.
 * Rename `UserManager#getPlayers()` to `UserManager#getUsers()` for consistency.
 * Rename `UserManager#getPlayer(UUID)` to `UserManager#getUserById(UUID)` for consistency.
 * Add tests with 100% coverage for all Adventure mappers.
 * Add tests with 87% coverage for all Adventure audience reflection classes.
 * Improve format of `libs.versions.toml`.
 * Update adventure-platform to v4.2.0.
 * Update velocity-api to v3.3.1.
 * Update minestom to git:f291437ada.
 * Update annotations to v24.0.0.
 * Update errorprone to v2.18.0.
 * Update junit to v5.9.2.
 * Update nullaway to v0.10.8.
 * Improve nullaway configuration.
 * Add Codecov configuration and uploader.
 * Improve example project a little bit.
 * General reformatting and other improvements.
 * Bump version to `0.13.0-SNAPSHOT`.