Update towncrier requirement from ~=24.8 to >=24.8,<26.0 (#10533)

* Update towncrier requirement from ~=24.8 to >=24.8,<26.0

Updates the requirements on [towncrier](https://github.com/twisted/towncrier) to permit the latest version.
- [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:production
...

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Author: dependabot[bot]

doc/requirements.txt

@@ -1,4 +1,4 @@
 Sphinx==8.2.3
 sphinx-reredirects<1
-towncrier~=24.8
+towncrier>=24.8,<26.0
 furo==2025.7.19

pyproject.toml

@@ -87,7 +87,7 @@ docs = [
   "furo==2025.7.19",
   "sphinx==8.2.3",
   "sphinx-reredirects<1",
-  "towncrier~=24.8",
+  "towncrier>=24.8,<26",
 ]
 
 # Configuration for the build system
@@ -100,7 +100,7 @@ test-min = [
   "pytest-timeout~=2.4",
   "requests",
   "setuptools; python_version>='3.12'",
-  "towncrier~=24.8",
+  "towncrier>=24.8,<26",
   "typing-extensions~=4.15",
 ]
 

requirements_test_min.txt

@@ -6,7 +6,7 @@ py~=1.11.0
 pytest~=8.4
 pytest-benchmark~=5.1
 pytest-timeout~=2.4
-towncrier~=24.8
+towncrier>=24.8,<26.0
 requests
 # Voluntary for test purpose, not actually used in prod, see #8904
 setuptools;python_version>='3.12'