Bump requests from 2.32.3 to 2.32.4 in /app/backend

Bumps [requests](https://github.com/psf/requests) from 2.32.3 to 2.32.4.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.32.3...v2.32.4)

---
updated-dependencies:
- dependency-name: requests
  dependency-version: 2.32.4
  dependency-type: indirect
...

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

Author: dependabot[bot]

app/backend/requirements.txt

@@ -20,6 +20,8 @@ anyio==4.4.0
     #   openai
 asgiref==3.8.1
     # via opentelemetry-instrumentation-asgi
+async-timeout==5.0.1
+    # via aiohttp
 attrs==24.2.0
     # via aiohttp
 azure-ai-documentintelligence==1.0.0b4
@@ -96,6 +98,11 @@ deprecated==1.2.14
     #   opentelemetry-semantic-conventions
 distro==1.9.0
     # via openai
+exceptiongroup==1.3.0
+    # via
+    #   anyio
+    #   hypercorn
+    #   taskgroup
 fixedint==0.1.6
     # via azure-monitor-opentelemetry-exporter
 flask==3.0.3
@@ -118,7 +125,7 @@ hpack==4.0.0
     # via h2
 httpcore==1.0.5
     # via httpx
-httpx==0.27.0
+httpx[http2]==0.27.0
     # via
     #   microsoft-kiota-http
     #   msgraph-core
@@ -134,7 +141,10 @@ idna==3.10
     #   requests
     #   yarl
 importlib-metadata==8.0.0
-    # via opentelemetry-api
+    # via
+    #   flask
+    #   opentelemetry-api
+    #   quart
 isodate==0.6.1
     # via
     #   azure-ai-documentintelligence
@@ -318,8 +328,6 @@ packaging==24.1
     #   opentelemetry-instrumentation-flask
 pillow==10.4.0
     # via -r requirements.in
-portalocker==2.10.1
-    # via msal-extensions
 priority==2.0.0
     # via hypercorn
 prompty==0.1.50
@@ -331,14 +339,12 @@ psutil==5.9.8
 pycparser==2.22
     # via cffi
 pydantic==2.8.2
-    # via
-    #   openai
-    #   prompty
+    # via openai
 pydantic-core==2.20.1
     # via pydantic
 pygments==2.18.0
     # via rich
-pyjwt==2.10.1
+pyjwt[crypto]==2.10.1
     # via
     #   -r requirements.in
     #   msal
@@ -360,7 +366,7 @@ quart-cors==0.7.0
     # via -r requirements.in
 regex==2024.11.6
     # via tiktoken
-requests==2.32.3
+requests==2.32.4
     # via
     #   azure-core
     #   msal
@@ -384,12 +390,16 @@ soupsieve==2.6
     # via beautifulsoup4
 std-uritemplate==2.0.3
     # via microsoft-kiota-abstractions
+taskgroup==0.2.2
+    # via hypercorn
 tenacity==9.0.0
     # via -r requirements.in
 tiktoken==0.8.0
     # via
     #   -r requirements.in
     #   opentelemetry-instrumentation-openai
+tomli==2.2.1
+    # via hypercorn
 tqdm==4.66.5
     # via openai
 types-beautifulsoup4==4.12.0.20240511
@@ -401,17 +411,27 @@ types-pillow==10.2.0.20240822
 typing-extensions==4.13.2
     # via
     #   -r requirements.in
+    #   anyio
+    #   asgiref
     #   azure-ai-documentintelligence
     #   azure-core
     #   azure-cosmos
     #   azure-identity
     #   azure-search-documents
     #   azure-storage-blob
     #   azure-storage-file-datalake
+    #   exceptiongroup
+    #   hypercorn
     #   openai
     #   opentelemetry-sdk
     #   pydantic
     #   pydantic-core
+    #   pypdf
+    #   quart
+    #   quart-cors
+    #   rich
+    #   taskgroup
+    #   uvicorn
 urllib3==2.2.2
     # via requests
 uvicorn==0.30.6