docs/tint: Update OT changes for `array()`

Fixed: tint:1628
Change-Id: Ic865a0247176185b68e76513911341d0a4bbebd9
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/97920
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>

docs/tint/origin-trial-changes.md

diff --git a/docs/tint/origin-trial-changes.md b/docs/tint/origin-trial-changes.md
index 95f94fe..05f6440 100644
--- a/docs/tint/origin-trial-changes.md
+++ b/docs/tint/origin-trial-changes.md
@@ -1,5 +1,11 @@
 # Tint changes during Origin Trial
 
+## Changes for M106
+
+### New features
+
+* `array()` constructor can now infer type and count. [tint:1628](crbug.com/tint/1628)
+
 ## Changes for M105
 
 ### New features