build(deps): bump the all-backend-deps group in /src with 15 updates

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 2.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all-backend-deps
- dependency-name: azure-storage-blob
  dependency-version: 12.28.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all-backend-deps
- dependency-name: azure-cosmos
  dependency-version: 4.14.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-backend-deps
- dependency-name: aiohttp
  dependency-version: 3.13.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-backend-deps
- dependency-name: gunicorn
  dependency-version: 25.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all-backend-deps
- dependency-name: black
  dependency-version: 26.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all-backend-deps
- dependency-name: opentelemetry-sdk
  dependency-version: 1.39.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-backend-deps
- dependency-name: opentelemetry-api
  dependency-version: 1.39.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-backend-deps
- dependency-name: opentelemetry-semantic-conventions
  dependency-version: 0.60b1
  dependency-type: direct:production
  dependency-group: all-backend-deps
- dependency-name: opentelemetry-instrumentation
  dependency-version: 0.60b1
  dependency-type: direct:production
  dependency-group: all-backend-deps
- dependency-name: azure-monitor-opentelemetry
  dependency-version: 1.8.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-backend-deps
- dependency-name: markdown
  dependency-version: 3.10.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: all-backend-deps
- dependency-name: tqdm
  dependency-version: 4.67.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: all-backend-deps
- dependency-name: langchain
  dependency-version: 1.2.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: all-backend-deps
- dependency-name: urllib3
  dependency-version: 2.6.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: all-backend-deps
...

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

Author: dependabot[bot]

src/requirements-dev.txt

@@ -1,12 +1,12 @@
 -r requirements.txt
 azure-ai-documentintelligence==1.0.2
-Markdown==3.10
+Markdown==3.10.1
 requests==2.32.5
-tqdm==4.67.1
+tqdm==4.67.2
 tiktoken
-langchain==1.2.0
+langchain==1.2.7
 bs4==0.0.2
-urllib3==2.6.2
+urllib3==2.6.3
 pytest==9.0.2
 pytest-asyncio==1.3.0
 PyMuPDF==1.26.7
@@ -15,6 +15,6 @@ chardet
 azure-keyvault-secrets
 coverage
 flake8==7.3.0
-black==25.12.0
+black==26.1.0
 autoflake==2.3.1
 isort==7.0.0

src/requirements.txt

@@ -1,27 +1,27 @@
 azure-identity==1.25.1
 # Flask[async]==2.3.2
-openai==2.14.0
+openai==2.16.0
 azure-search-documents==11.7.0b2
-azure-storage-blob==12.27.1
+azure-storage-blob==12.28.0
 python-dotenv==1.2.1
-azure-cosmos==4.14.3
+azure-cosmos==4.14.5
 azure-ai-projects==1.0.0
 azure-ai-inference==1.0.0b9
 quart==0.20.0
 uvicorn==0.40.0
-aiohttp==3.13.2
-gunicorn==23.0.0
+aiohttp==3.13.3
+gunicorn==25.0.0
 pydantic==2.12.5
 pydantic-settings==2.12.0
 flake8==7.3.0
-black==25.12.0
+black==26.1.0
 autoflake==2.3.1
 isort==7.0.0
 opentelemetry-exporter-otlp-proto-grpc
 opentelemetry-exporter-otlp-proto-http
 azure-monitor-events-extension
-opentelemetry-sdk==1.39.0
-opentelemetry-api==1.39.0
-opentelemetry-semantic-conventions==0.60b0
-opentelemetry-instrumentation==0.60b0
-azure-monitor-opentelemetry==1.8.3
+opentelemetry-sdk==1.39.1
+opentelemetry-api==1.39.1
+opentelemetry-semantic-conventions==0.60b1
+opentelemetry-instrumentation==0.60b1
+azure-monitor-opentelemetry==1.8.5