Bump a2wsgi from 1.6.0 to 1.7.0 (#1886)

Bumps [a2wsgi](https://github.com/abersheeran/a2wsgi) from 1.6.0 to 1.7.0.
- [Release notes](https://github.com/abersheeran/a2wsgi/releases)
- [Commits](abersheeran/a2wsgi@v1.6.0...v1.7.0)

---
updated-dependencies:
- dependency-name: a2wsgi
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -4,7 +4,7 @@
 asgiref==3.5.2
 
 # Explicit optionals
-a2wsgi==1.6.0
+a2wsgi==1.7.0
 wsproto==1.2.0
 
 # Packaging