Chromium 157.0.8103.46 only has a single minor change which isn't relevant to Vanadium since we only use 64-bit builds of the browser. There's no reason for us to ship it but the releases are endless and there will be another security update soon anyway.

https://chromium.googlesource.com/chromium/src/+log/157.0.8103.38..157.0.8103.46