Merge branch 'add-optional-needs-for-setup-test-env' into 'master'

ci: Make `setup-test-env` optionally need `update-gitaly-binaries-cache`

See merge request gitlab-org/gitlab!83934

.gitlab/ci/rails.gitlab-ci.yml

@@ -187,6 +187,9 @@ setup-test-env:
     - .setup-test-env-cache
     - .rails:rules:setup-test-env
   stage: prepare
+  needs:
+    - job: "update-gitaly-binaries-cache"
+      optional: true
   variables:
     SETUP_DB: "false"
   script: