doc: clarify DEP0194 scope

Since priority signaling covers more than `http2Stream.priority`,
it makes more sense to rename the section.

There were also a few missing mentions in `http2.md`.

PR-URL: #58504
Backport-PR-URL: #58542
Refs: #58313
Reviewed-By: Tim Perry <pimterry@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: aduh95

doc/api/deprecations.md

@@ -3795,7 +3795,7 @@ The `node:_stream_duplex`, `node:_stream_passthrough`, `node:_stream_readable`,
 `node:_stream_wrap` and `node:_stream_writable` modules are deprecated as they should be considered
 an internal nodejs implementation rather than a public facing API, use `node:stream` instead.
 
-### DEP0194: `require('node:http2').Http2Stream.priority`
+### DEP0194: HTTP/2 priority signaling
 
 <!-- YAML
 changes:

doc/api/http2.md

@@ -1071,6 +1071,11 @@ The `'origin'` event is only emitted when using a secure TLS connection.
 
 <!-- YAML
 added: v8.4.0
+changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/58313
+    description: Following the deprecation of priority signaling as of RFC 1993,
+                 `weight` option is deprecated.
 -->
 
 * `headers` {HTTP/2 Headers Object}
@@ -1087,7 +1092,8 @@ added: v8.4.0
     created stream is dependent on.
   * `weight` {number} Specifies the relative dependency of a stream in relation
     to other streams with the same `parent`. The value is a number between `1`
-    and `256` (inclusive).
+    and `256` (inclusive). This has been **deprecated** in [RFC 9113][], and
+    support for it will be removed in future versions of Node.js.
   * `waitForTrailers` {boolean} When `true`, the `Http2Stream` will emit the
     `'wantTrailers'` event after the final `DATA` frame has been sent.
   * `signal` {AbortSignal} An AbortSignal that may be used to abort an ongoing
@@ -1460,6 +1466,9 @@ added: v8.4.0
 deprecated: REPLACEME
 -->
 
+> Stability: 0 - Deprecated: support for priority signaling has been deprecated
+> in the [RFC 9113][] and is no longer supported in Node.js.
+
 * `options` {Object}
   * `exclusive` {boolean} When `true` and `parent` identifies a parent Stream,
     this stream is made the sole direct dependency of the parent, with
@@ -1475,9 +1484,6 @@ deprecated: REPLACEME
 
 Updates the priority for this `Http2Stream` instance.
 
-The support for priority signaling has been deprecated in the [RFC 9113][], and
-will be removed in future versions of Node.js.
-
 #### `http2stream.rstCode`
 
 <!-- YAML
@@ -1572,6 +1578,11 @@ req.setTimeout(5000, () => req.close(NGHTTP2_CANCEL));
 
 <!-- YAML
 added: v8.4.0
+changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/58313
+    description: Following the deprecation of priority signaling as of RFC 1993,
+                 `weight` and `sumDependencyWeight` options are deprecated.
 -->
 
 Provides miscellaneous information about the current state of the