.gitlab-ci.yml: Use newer version of FSDK
Description
This fixes our overnight tests on FSDK.
A successful build can be found at https://gitlab.com/BuildStream/buildstream/-/jobs/547188942
Edited by Benjamin Schubert
This fixes our overnight tests on FSDK.
A successful build can be found at https://gitlab.com/BuildStream/buildstream/-/jobs/547188942