chore(deps): update sanic requirement from <25,>=21 to >=21,<26

Updates the requirements on [sanic](https://github.com/sanic-org/sanic) to permit the latest version.
- [Release notes](https://github.com/sanic-org/sanic/releases)
- [Commits](sanic-org/sanic@v21.3.0...v25.3.0)

---
updated-dependencies:
- dependency-name: sanic
  dependency-version: 25.3.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements/adapter.txt

@@ -15,7 +15,7 @@ Werkzeug>=2,<4
 pyramid>=1,<3
 sanic>=20,<21; python_version=="3.6"
 sanic>=21,<24; python_version>"3.6" and python_version<="3.8"
-sanic>=21,<25; python_version>"3.8"
+sanic>=21,<26; python_version>"3.8"
 starlette>=0.19.1,<1
 tornado>=6,<7
 uvicorn<1                                # The oldest version can vary among Python runtime versions