Bump azure-monitor-opentelemetry-exporter from 1.0.0b25 to 1.0.0b26

Bumps [azure-monitor-opentelemetry-exporter](https://github.com/Azure/azure-sdk-for-python) from 1.0.0b25 to 1.0.0b26.
- [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-exporter_1.0.0b25...azure-monitor-opentelemetry-exporter_1.0.0b26)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -8,4 +8,4 @@ fastapi==0.111.0
 Pillow==9.5.0
 nest-asyncio==1.6.0
 opentelemetry-instrumentation-fastapi==0.45b0
-azure-monitor-opentelemetry-exporter==1.0.0b25
+azure-monitor-opentelemetry-exporter==1.0.0b26