dependabot: bump black from 26.3.1 to 26.5.1

Bumps [black](https://github.com/psf/black) from 26.3.1 to 26.5.1.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@26.3.1...26.5.1)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 26.5.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -33,7 +33,7 @@ dependencies = [
 dev = [
     "pytest==9.1.1",
     "flake8==7.3.0",
-    "black==26.3.1",
+    "black==26.5.1",
     "isort==5.13.2",
     "mypy==2.1.0",
 ]

requirements.txt

@@ -15,6 +15,6 @@ sentry-sdk==2.63.0
 
 # Development dependencies
 flake8==7.3.0
-black==26.3.1
+black==26.5.1
 isort==5.13.2
 mypy==2.1.0