chore(deps-dev): update build requirement

Updates the requirements on [build](https://github.com/pypa/build) to permit the latest version.
- [Release notes](https://github.com/pypa/build/releases)
- [Changelog](https://github.com/pypa/build/blob/main/CHANGELOG.rst)
- [Commits](pypa/build@1.2.2...1.5.0)

---
updated-dependencies:
- dependency-name: build
  dependency-version: 1.5.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -27,7 +27,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-  "build>=1.2.2,<1.5.0",
+  "build>=1.2.2,<1.6.0",
   "ruff>=0.12.2,<0.16.0",
   "sphinx>=7.3.7,<8.2.0",
   "scikit-learn>=1.5,<1.9",
@@ -46,7 +46,7 @@ homepage = "https://github.com/CyberAgentAILab/python-dte-adjustment"
 
 [tool.uv]
 dev-dependencies = [
-  "build>=1.2.2,<1.5.0",
+  "build>=1.2.2,<1.6.0",
   "build>=1.2.2,<1.4.0",
   "ruff>=0.12.2,<0.16.0",
   "sphinx>=7.3.7,<8.2.0",