Update dependency postcss to v8.5.3

This MR contains the following updates:

Package	Type	Update	Change
postcss (source)	devDependencies	patch	8.5.2 -> 8.5.3

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Release Notes

postcss/postcss (postcss)

v8.5.3

Compare Source

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Configuration

Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

Ignore: Close this MR and you won't be reminded about this update again.

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• If you want to rebase/retry this MR, check this box

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This MR has been generated by Renovate Bot.

mentioned in issue #1337

marked the checklist item If you want to rebase/retry this MR, check this box as completed

marked the checklist item If you want to rebase/retry this MR, check this box as incomplete

added 31 commits

• d31ec6b1...5eb9c030 - 30 commits from branch develop
• 36860b78 - Update dependency postcss to v8.5.3

Compare with previous version

mentioned in commit 236ebbff

merged