Increase test job timeouts to 90 minutes

We have been touching the default 60 minutes timeout recently in many jobs such as:

• https://ops.gitlab.net/gitlab-org/gitlab-qa/-/jobs/5487325
• https://ops.gitlab.net/gitlab-org/gitlab-qa/-/jobs/5487351
• https://ops.gitlab.net/gitlab-org/gitlab-qa/-/jobs/5477181
• https://ops.gitlab.net/gitlab-org/gitlab-qa/-/jobs/5477180