TBR: Bump extension version

Change-Id: I7acbd198e3a45f7f22bc427fe1a9f3fbc2c1257d
diff --git a/extension/manifest.json b/extension/manifest.json
index dbc9ad2..7bdef30 100644
--- a/extension/manifest.json
+++ b/extension/manifest.json
@@ -1,6 +1,6 @@
 {
   "name": "Vanadium Extension",
-  "version": "0.1.28",
+  "version": "0.1.29",
   "description": "Access and create Vanadium services from JavaScript.",
   "manifest_version": 2,
   "icons": {