Bump azure-identity from 1.19.0 to 1.25.3 in /src

Bumps [azure-identity](https://github.com/Azure/azure-sdk-for-python) from 1.19.0 to 1.25.3.
- [Release notes](https://github.com/Azure/azure-sdk-for-python/releases)
- [Commits](Azure/azure-sdk-for-python@azure-identity_1.19.0...azure-identity_1.25.3)

---
updated-dependencies:
- dependency-name: azure-identity
  dependency-version: 1.25.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/requirements.txt

@@ -2,7 +2,7 @@ requests==2.32.4
 python-dotenv==1.0.1
 pandas>=2.2.2
 azure-cosmos==4.9.0
-azure-identity==1.19.0
+azure-identity==1.25.3
 azure-search-documents==11.6.0
 azure-ai-inference==1.0.0b6
 azure-ai-projects>=2.0.0b1