Enable Opstrace error tracking on release-tools
Part of https://gitlab.com/gitlab-com/gl-infra/production/-/issues/7586 As a followup to the discussion in https://gitlab.com/gitlab-com/gl-infra/reliability/-/issues/16098#note_1056464617, now that Opstrace has finished the [infrasec review](https://gitlab.com/gitlab-com/gl-security/security-operations/infrastructure-security/bau/-/issues/131) and we are about to enable it instance-wide [for open-beta](https://gitlab.com/gitlab-com/gl-infra/production/-/issues/7586) I would like to enable it for https://gitlab.com/gitlab-org/release-tools/ - [x] Enable GitLab error tracking https://gitlab.com/gitlab-org/release-tools/-/settings/operations - [x] Add the DSN to https://ops.gitlab.net/gitlab-org/release/tools/-/settings/ci_cd
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