Django-seo-js

Patch middleware for Django 4.1. [PR](https://github.com/skoczen/django-seo-js/pull/44).

Adds support for Django 4.1. [issue](https://github.com/skoczen/django-seo-js/pull/42).

Adds more default user agents to bring things into the present day. [issue](https://github.com/skoczen/django-seo-js/pull/41).

Fixes googlebot defaults [issue](https://github.com/skoczen/django-seo-js/issues/39).

34 Add `SEO_JS_SEND_USER_AGENT` setting, support for sending User-Agent string to prerenderer

* 28 - `IGNORED_HEADERS` setting skipping headers correctly
* [pcraciunoiu:1](https://github.com/pcraciunoiu/django-seo-js/pull/1) Support python2.5 + 3.7 and Django 1.8-10
* 30 - fix middleware for Django 2

Full compare: https://github.com/skoczen/django-seo-js/compare/0.3.1...0.3.2