build(deps): bump datadog from 0.51.0 to 0.52.0 in /backend (#2716)

---
updated-dependencies:
- dependency-name: datadog
  dependency-version: 0.52.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

backend/requirements.txt

@@ -1,6 +1,6 @@
 -e ../tools #egg=code-coverage-tools
 connexion==2.14.2
-datadog==0.51.0
+datadog==0.52.0
 Flask==2.2.3
 Flask-Cors==6.0.1
 flask-talisman==1.1.0