build(deps): bump python-dotenv from 1.2.1 to 1.2.2

Bumps [python-dotenv](https://github.com/theskumar/python-dotenv) from 1.2.1 to 1.2.2.
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v1.2.1...v1.2.2)

---
updated-dependencies:
- dependency-name: python-dotenv
  dependency-version: 1.2.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

claude-agent-sdk/requirements.txt

@@ -3,7 +3,7 @@ slack-sdk==3.40.1
 slack-cli-hooks<1.0.0
 claude-agent-sdk>=0.1.36
 aiohttp>=3.13.3
-python-dotenv==1.2.1
+python-dotenv==1.2.2
 
 pytest
 ruff==0.15.4

openai-agents-sdk/requirements.txt

@@ -2,7 +2,7 @@ slack-sdk==3.40.1
 ../vendor/slack_bolt-1.27.0+837e120-py2.py3-none-any.whl
 slack-cli-hooks<1.0.0
 openai-agents
-python-dotenv==1.2.1
+python-dotenv==1.2.2
 
 pytest
 ruff==0.15.4

pydantic-ai/requirements.txt

@@ -2,7 +2,7 @@ slack-sdk==3.40.1
 ../vendor/slack_bolt-1.27.0+837e120-py2.py3-none-any.whl
 slack-cli-hooks<1.0.0
 pydantic-ai[openai]
-python-dotenv==1.2.1
+python-dotenv==1.2.2
 
 pytest
 ruff==0.15.4