New chat events for better Adventure support (#5289)

Bump Adventure to 4.6.0

fixes #5216
fixes #5261
fixes #5287

Spigot-API-Patches/0198-Expose-game-version.patch

@@ -0,0 +1,50 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Mark Vainomaa <mikroskeem@mikroskeem.eu>
+Date: Fri, 1 May 2020 17:39:02 +0300
+Subject: [PATCH] Expose game version
+
+
+diff --git a/src/main/java/org/bukkit/Bukkit.java b/src/main/java/org/bukkit/Bukkit.java
+index 86ac6702b3aeab1126b2b2879b87ef3883793d44..12214ce2af7363d40cf44652e46f05c5c1f2fe5a 100644
+--- a/src/main/java/org/bukkit/Bukkit.java
++++ b/src/main/java/org/bukkit/Bukkit.java
+@@ -118,6 +118,18 @@ public final class Bukkit {
+         return server.getBukkitVersion();
+     }
+ 
++    // Paper start - expose game version
++    /**
++     * Gets the version of game this server implements
++     *
++     * @return version of game
++     */
++    @NotNull
++    public static String getMinecraftVersion() {
++        return server.getMinecraftVersion();
++    }
++    // Paper end
++
+     /**
+      * Gets a view of all currently logged in players. This {@linkplain
+      * Collections#unmodifiableCollection(Collection) view} is a reused
+diff --git a/src/main/java/org/bukkit/Server.java b/src/main/java/org/bukkit/Server.java
+index 16a74b834c4d4b907f9b11ccf9ef9804514df224..360decea2eb6de4c567fa4cceea8f19bceff6823 100644
+--- a/src/main/java/org/bukkit/Server.java
++++ b/src/main/java/org/bukkit/Server.java
+@@ -97,6 +97,16 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
+     @NotNull
+     public String getBukkitVersion();
+ 
++    // Paper start - expose game version
++    /**
++     * Gets the version of game this server implements
++     *
++     * @return version of game
++     */
++    @NotNull
++    String getMinecraftVersion();
++    // Paper end
++
+     /**
+      * Gets a view of all currently logged in players. This {@linkplain
+      * Collections#unmodifiableCollection(Collection) view} is a reused