http2: respect inspect() depth

This commit causes Http2Stream and Http2Session to account
for inspect() depth.

PR-URL: #27983
Fixes: #27976
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

lib/internal/http2/core.js

@@ -1069,6 +1069,9 @@ class Http2Session extends EventEmitter {
   }
 
   [kInspect](depth, opts) {
+    if (typeof depth === 'number' && depth < 0)
+      return this;
+
     const obj = {
       type: this[kType],
       closed: this.closed,
@@ -1645,6 +1648,9 @@ class Http2Stream extends Duplex {
   }
 
   [kInspect](depth, opts) {
+    if (typeof depth === 'number' && depth < 0)
+      return this;
+
     const obj = {
       id: this[kID] || '<pending>',
       closed: this.closed,