Bumps [django](https://github.com/django/django) from 3.1.7 to 3.1.8.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/3.1.7...3.1.8)

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Bumps [django](https://github.com/django/django) from 3.0.7 to 3.1.6.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/3.0.7...3.1.6)

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closes #580

The header must contain the `includeSubDomains` directive.
The header must contain the `preload` directive.

Until the day TLS 1.3 becomes widely supported, web servers must rely on a fallback to TLS 1.2 with correctly configured server directives and strong cipher suites.

 * https://www.cloudinsidr.com/content/tls-1-3-and-tls-1-2-cipher-suites-demystified-how-to-pick-your-ciphers-wisely/
 * (fr) https://www.ssi.gouv.fr/guide/recommandations-de-securite-relatives-a-tls/
 * https://ssl-config.mozilla.org/#server=apache&version=2.4.41&config=intermediate&openssl=1.1.1d&guideline=5.6

This will speed up the website loading, and make the website more
reliable to the users when the client fails to connect to the CA for an
OCSP response.

Reference:
- https://en.wikipedia.org/wiki/OCSP_stapling

* Rename README.md

README.md wasn't actually a readme but an example for how
to make a simple pki.

* Updating ssl script

+ Adding shebang line (#!/usr/bin/env bash)
+ Adding variables for key type and subject
+ Adding comments
+ Adding openssl verify

* use refresh token to refresh access token if expired
 * change access token duration to 15 minutes
 * change refresh token validity to 1 week

Fixes: 539
Fixes: 236

Bumps [django](https://github.com/django/django) from 3.0.6 to 3.0.7.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/3.0.6...3.0.7)

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* Remove blog container from container deploy until Dockerfile is present
 * Do not stop pushing package after an error

Bumps [django](https://github.com/django/django) from 1.11 to 1.11.23.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/1.11...1.11.23)

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Fixes: https://github.com/lesspass/lesspass/issues/430