FDN-4416: Increase error thresholds

[gheine]

Summary by CodeRabbit

• Chores
  • Enhanced monitoring thresholds for improved error detection and alerting on request failures.
  • Added new monitoring rules to track missing metrics for better system observability.

[coderabbitai]

📝 Walkthrough

Walkthrough

These changes update Datadog monitoring alert thresholds in two deployment configuration files, adding warning and alert thresholds to existing trace-based monitors and introducing a new missing-metrics monitor type.

Changes

Cohort / File(s)	Summary
Datadog Monitor Configuration deploy/dependency-api/values.yaml, deploy/dependency-www/values.yaml	Added warning threshold (0.1) and alert threshold (0.25) to datadogMonitors entries. dependency-api also introduces a new missing-metrics monitor type.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Increase error thresholds' accurately describes the main changes, which add warning.threshold and alert.threshold values to datadogMonitors across two configuration files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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