Update asgiref requirement from ~=3.2.10 to >=3.2.10,<3.4.0 (#1018)

Updates the requirements on [asgiref](https://github.com/django/asgiref) to permit the latest version.
- [Release notes](https://github.com/django/asgiref/releases)
- [Changelog](https://github.com/django/asgiref/blob/master/CHANGELOG.txt)
- [Commits](https://github.com/django/asgiref/compare/3.2.10...3.3.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

setup.py

@@ -44,7 +44,7 @@ setup(
     package_data={"datasette": ["templates/*.html"]},
     include_package_data=True,
     install_requires=[
-        "asgiref~=3.2.10",
+        "asgiref>=3.2.10,<3.4.0",
         "click~=7.1.1",
         "click-default-group~=1.2.2",
         "Jinja2>=2.10.3,<2.12.0",