uv(deps): Bump boto3 from 1.38.30 to 1.39.4

Bumps [boto3](https://github.com/boto/boto3) from 1.38.30 to 1.39.4.
- [Release notes](https://github.com/boto/boto3/releases)
- [Commits](boto/boto3@1.38.30...1.39.4)

---
updated-dependencies:
- dependency-name: boto3
  dependency-version: 1.39.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -5,6 +5,6 @@ description = "Analytical Platform Python uv Example"
 readme = "README.md"
 requires-python = ">=3.12"
 dependencies = [
-    "boto3==1.38.30",
+    "boto3==1.39.4",
     "notifications-python-client==10.0.1",
 ]