chore: bump golang in /build/liqo-test in the docker-deps group

Bumps the docker-deps group in /build/liqo-test with 1 update: golang.


Updates `golang` from 1.24 to 1.25

---
updated-dependencies:
- dependency-name: golang
  dependency-version: '1.25'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: docker-deps
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build/liqo-test/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.24
+FROM golang:1.25
 
 ENV K8S_VERSION=1.30.0