Update Whatsapp version to fix 400 connection errors

Whatsapp seems to require this version supplied while requesting a qr code, somehow does not explicitly ask for it.

This MR updates the WA version and reverts the temporary bugfix.

added 3 commits

• 36e3d2fd...6771d04e - 2 commits from branch dev
• a4ce7036 - Merge branch 'dev' into 'update_wa_version'

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added 1 commit

• 0ebf090a - Update wa version and revert temporary bugfix

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changed the description