[auto] Update webassets in master (#15020)
[auto] Update webassets in master (#15020)

547a4f2a Further improvements to the webassets automation (gravitational/webapps#1053) https://github.com/gravitational/webapps/commit/547a4f2a

[source: -w master] [target: -t master]
gravitational/teleport,gravitational/teleport,gravitational/teleport,gravitational/teleport,gravitational/teleport,gravitational/teleport