typings: add diagnostics_channel typings

Add a DiagnosticsChannelBinding declaration for
internalBinding('diagnostics_channel') and wire it into
InternalBindingMap.

Signed-off-by: leah-1ee <selee3196@gmail.com>
PR-URL: #65227
Reviewed-By: Daeyeon Jeong <daeyeon.dev@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: leah-1ee

typings/globals.d.ts

@@ -8,6 +8,7 @@ import { ConstantsBinding } from './internalBinding/constants';
 import { CredentialsBinding } from './internalBinding/credentials';
 import { CryptoBinding } from './internalBinding/crypto';
 import { DebugBinding } from './internalBinding/debug';
+import { DiagnosticsChannelBinding } from './internalBinding/diagnostics_channel';
 import { EncodingBinding } from './internalBinding/encoding_binding';
 import { FsBinding } from './internalBinding/fs';
 import { FsDirBinding } from './internalBinding/fs_dir';
@@ -50,6 +51,7 @@ interface InternalBindingMap {
   credentials: CredentialsBinding;
   crypto: CryptoBinding;
   debug: DebugBinding;
+  diagnostics_channel: DiagnosticsChannelBinding;
   encoding_binding: EncodingBinding;
   fs: FsBinding;
   fs_dir: FsDirBinding;

typings/internalBinding/diagnostics_channel.d.ts

@@ -0,0 +1,6 @@
+export interface DiagnosticsChannelBinding {
+  subscribers: Uint32Array;
+  linkNativeChannel(
+    callback: (name: string, index: number) => object | undefined,
+  ): void;
+}