dep: update vipr dependency (#1383)

MIchaelMainer · adrian05-ms · web-flow · commit 3a777457f551 · 2025-09-29T16:44:25.000-06:00
Co-authored-by: Adrian &lt;christiano+github@microsoft.com&gt;
diff --git a/submodules/vipr b/submodules/vipr
@@ -1 +1 @@
-Subproject commit 39c1ee7affbd5567511890ddff5edb6c721ee1c7
+Subproject commit 0921e550479b18d11ccccc4f21ce4c72c8170b9b
