chore: update bundled certs (#1750)

## Checklist

- [x] I have read the [contribution
guidelines](https://github.com/ooni/probe-cli/blob/master/CONTRIBUTING.md)
- [x] reference issue for this pull request: #1745 
- [ ] if you changed anything related to how experiments work and you
need to reflect these changes in the ooni/spec repository, please link
to the related ooni/spec pull request: <!-- add URL here -->
- [ ] if you changed code inside an experiment, make sure you bump its
version number

<!-- Reminder: Location of the issue tracker:
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## Description

This diff updates bundled certs and update probe-assets dependency

Author: DecFox

go.mod

@@ -29,7 +29,7 @@ require (
 	github.com/montanaflynn/stats v0.7.1
 	github.com/ooni/minivpn v0.0.7
 	github.com/ooni/netem v0.0.0-20250905215919-3882eda4fb66
-	github.com/ooni/probe-assets v0.28.0
+	github.com/ooni/probe-assets v0.29.0
 	github.com/oschwald/maxminddb-golang v1.13.1
 	github.com/pborman/getopt/v2 v2.1.0
 	github.com/pion/stun v0.6.1

go.sum

@@ -408,6 +408,8 @@ github.com/ooni/netem v0.0.0-20250905215919-3882eda4fb66 h1:i2sw2lTJKT4dbeTNW8GD
 github.com/ooni/netem v0.0.0-20250905215919-3882eda4fb66/go.mod h1:CKKtaYpxFRzD2I0Cxlkz9msGyc6p/ZkOLu6TfXneDyU=
 github.com/ooni/probe-assets v0.28.0 h1:r1hlPmC9PwfKqX0of9T0tx9xTIczPvqx5N6Bt0LK2LA=
 github.com/ooni/probe-assets v0.28.0/go.mod h1:m0k2FFzcLfFm7dhgyYkLCUR3R0CoRPr0jcjctDS2+gU=
+github.com/ooni/probe-assets v0.29.0 h1:+jUBn5xZ5bHOP4++0tAd6J7w6kLS1q2fFeKyAXsfMFE=
+github.com/ooni/probe-assets v0.29.0/go.mod h1:m0k2FFzcLfFm7dhgyYkLCUR3R0CoRPr0jcjctDS2+gU=
 github.com/oschwald/geoip2-golang v1.9.0 h1:uvD3O6fXAXs+usU+UGExshpdP13GAqp4GBrzN7IgKZc=
 github.com/oschwald/geoip2-golang v1.9.0/go.mod h1:BHK6TvDyATVQhKNbQBdrj9eAvuwOMi2zSFXizL3K81Y=
 github.com/oschwald/maxminddb-golang v1.13.1 h1:G3wwjdN9JmIK2o/ermkHM+98oX5fS+k5MbwsmL4MRQE=