pip(deps): bump python-dotenv from 1.0.0 to 1.2.1

Bumps [python-dotenv](https://github.com/theskumar/python-dotenv) from 1.0.0 to 1.2.1.
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v1.0.0...v1.2.1)

---
updated-dependencies:
- dependency-name: python-dotenv
  dependency-version: 1.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

python-automation/requirements.txt

@@ -32,7 +32,7 @@ urllib3==2.5.0
 
 # Logging and configuration
 pyyaml==6.0.1
-python-dotenv==1.0.0
+python-dotenv==1.2.1
 
 # Development and testing
 pytest==7.4.3

requirements.txt

@@ -24,7 +24,7 @@ aioredis==2.0.1
 
 # Data processing
 openpyxl==3.1.5
-python-dotenv==1.0.1
+python-dotenv==1.2.1
 pyyaml==6.0.2
 numpy==2.2.0