v3.15.3

What's Changed

• chore(deps): bump github.com/grafana/synthetic-monitoring-agent from 0.29.8 to 0.29.9 by @dependabot in #1947
• chore(deps): bump actions/setup-go from 5.1.0 to 5.2.0 by @dependabot in #1963
• chore(deps): bump the terraform group with 2 updates by @dependabot in #1959
• Re-enable oncall client setup using service account auth by @matiasb in #1958

Full Changelog: v3.15.2...v3.15.3