Fix overall coverage in go test job
What does this MR do?
Fix overall coverage in go test job
Prior to that change, the CI takes the code coverage for the last Go package being tested. See https://gitlab.com/gitlab-org/security-products/analyzers/gemnasium/-/jobs/1948585461 e23bb792
Tested in gitlab-org/security-products/analyzers/gemnasium!256 (closed). See https://gitlab.com/gitlab-org/security-products/analyzers/gemnasium/-/jobs/1957005530#L645
What are the relevant issue numbers?
gitlab-org/gitlab#350166 (closed)
Does this MR meet the acceptance criteria?
Tested in https://gitlab.com/gitlab-org/security-products/analyzers/gemnasium/-/jobs/1957005530#L645.
Edited by Fabien Catteau