Bump aiohttp from 3.10.11 to 3.12.14 in /app/backend (Azure-Samples#2606)

Bumps [aiohttp](https://github.com/aio-libs/aiohttp) from 3.10.11 to 3.12.14.
- [Release notes](https://github.com/aio-libs/aiohttp/releases)
- [Changelog](https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst)
- [Commits](aio-libs/aiohttp@v3.10.11...v3.12.14)

---
updated-dependencies:
- dependency-name: aiohttp
  dependency-version: 3.12.14
  dependency-type: direct:production
...

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

Author: dependabot[bot]

app/backend/requirements.txt

@@ -4,13 +4,13 @@ aiofiles==24.1.0
     # via
     #   prompty
     #   quart
-aiohappyeyeballs==2.4.4
+aiohappyeyeballs==2.6.1
     # via aiohttp
-aiohttp==3.10.11
+aiohttp==3.12.14
     # via
     #   -r requirements.in
     #   microsoft-kiota-authentication-azure
-aiosignal==1.3.1
+aiosignal==1.4.0
     # via aiohttp
 annotated-types==0.7.0
     # via pydantic
@@ -125,7 +125,7 @@ hpack==4.0.0
     # via h2
 httpcore==1.0.9
     # via httpx
-httpx==0.27.0
+httpx[http2]==0.27.0
     # via
     #   microsoft-kiota-http
     #   msgraph-core
@@ -333,7 +333,9 @@ priority==2.0.0
 prompty==0.1.50
     # via -r requirements.in
 propcache==0.2.0
-    # via yarl
+    # via
+    #   aiohttp
+    #   yarl
 psutil==5.9.8
     # via azure-monitor-opentelemetry-exporter
 pycparser==2.22
@@ -344,7 +346,7 @@ 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
@@ -411,6 +413,7 @@ types-pillow==10.2.0.20240822
 typing-extensions==4.13.2
     # via
     #   -r requirements.in
+    #   aiosignal
     #   anyio
     #   asgiref
     #   azure-ai-documentintelligence