Finish converting all events to jspecify annotations

patches/api/Expose-client-protocol-version-and-virtual-host.patch

@@ -18,13 +18,13 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +package com.destroystokyo.paper.network;
 +
 +import java.net.InetSocketAddress;
-+
-+import org.jetbrains.annotations.NotNull;
-+import org.jetbrains.annotations.Nullable;
++import org.jspecify.annotations.NullMarked;
++import org.jspecify.annotations.Nullable;
 +
 +/**
 + * Represents a client connected to the server.
 + */
++@NullMarked
 +public interface NetworkClient {
 +
 +    /**
@@ -32,7 +32,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     *
 +     * @return The client's socket address
 +     */
-+    @NotNull
 +    InetSocketAddress getAddress();
 +
 +    /**
@@ -52,8 +51,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     *
 +     * @return The client's virtual host, or {@code null} if unknown
 +     */
-+    @Nullable
-+    InetSocketAddress getVirtualHost();
++    @Nullable InetSocketAddress getVirtualHost();
 +
 +}
 diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java