Update validate-pyproject requirement from <1,>=0.23 to >=0.25,<1

Updates the requirements on [validate-pyproject](https://github.com/abravalheri/validate-pyproject) to permit the latest version.
- [Release notes](https://github.com/abravalheri/validate-pyproject/releases)
- [Changelog](https://github.com/abravalheri/validate-pyproject/blob/main/CHANGELOG.rst)
- [Commits](abravalheri/validate-pyproject@v0.23...v0.25)

---
updated-dependencies:
- dependency-name: validate-pyproject
  dependency-version: '0.25'
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -98,7 +98,7 @@ optional-dependencies.develop = [
   "ruff<0.16",
   "sphinx-autobuild>=2024",
   "ty==0.0.29",
-  "validate-pyproject>=0.23,<1",
+  "validate-pyproject>=0.25,<1",
 ]
 optional-dependencies.docs = [
   "myst-parser[linkify]>=0.18,<5",