Update dependency django-bleach to ^0.9.0

This MR contains the following updates:

Package	Type	Update	Change
django-bleach	dependencies	minor	^0.8.0 -> ^0.9.0

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Release Notes

marksweb/django-bleach

v0.9.0

Compare Source

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28-09-2021

• Drop support for django <2.2
• Added support for django 4.0

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