build(deps): bump python-dotenv from 1.2.1 to 1.2.2 in /claude-agent-sdk

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/pyproject.toml

@@ -8,7 +8,7 @@ dependencies = [
     "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",
 ]
 
 [project.optional-dependencies]

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