Bump azure-monitor-opentelemetry from 1.6.1 to 1.6.13

Bumps [azure-monitor-opentelemetry](https://github.com/Azure/azure-sdk-for-python) from 1.6.1 to 1.6.13.
- [Release notes](https://github.com/Azure/azure-sdk-for-python/releases)
- [Changelog](https://github.com/Azure/azure-sdk-for-python/blob/main/doc/esrp_release.md)
- [Commits](Azure/azure-sdk-for-python@azure-monitor-opentelemetry_1.6.1...azure-monitor-opentelemetry_1.6.13)

---
updated-dependencies:
- dependency-name: azure-monitor-opentelemetry
  dependency-version: 1.6.13
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

app/backend/requirements.txt

@@ -51,7 +51,7 @@ azure-identity==1.17.1
     # via
     #   -r requirements.in
     #   msgraph-sdk
-azure-monitor-opentelemetry==1.6.1
+azure-monitor-opentelemetry==1.6.13
     # via -r requirements.in
 azure-monitor-opentelemetry-exporter==1.0.0b32
     # via azure-monitor-opentelemetry