build(deps-dev): bump towncrier from 24.8.0 to 25.8.0

Bumps [towncrier](https://github.com/twisted/towncrier) from 24.8.0 to 25.8.0.
- [Release notes](https://github.com/twisted/towncrier/releases)
- [Changelog](https://github.com/twisted/towncrier/blob/trunk/NEWS.rst)
- [Commits](twisted/towncrier@24.8.0...25.8.0)

---
updated-dependencies:
- dependency-name: towncrier
  dependency-version: 25.8.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Pipfile

@@ -11,7 +11,7 @@ packaging = "==25.0"
 psycopg = "==3.2.9"
 
 [dev-packages]
-towncrier = "==24.8.0"
+towncrier = "==25.8.0"
 psycopg-binary = {version = "==3.2.9", markers="implementation_name == 'cpython'"}
 pytest-cov = "==6.2.1"
 pytest-xdist = "==3.8.0"