software/theia: Version up 1.28.0 and fix IPv6 url

1 job for fix/theia_ipv6_backend_url in 0 seconds (queued for 1 second)
Status Job ID Name Coverage
  External
passed SlapOS.SoftwareReleases.IntegrationTest-XavierFixTheiaIpv6BackendUrl.Python3

03:06:54