chore(master): release 2.40.6 [skip-ci]

[github-actions[bot]]

:robot: I have created a release beep boop

2.40.6 (2024-03-20)

Bug Fixes

• account-listing: Show accounts as initializing if account has not yet been processed after startup (0e70898)
• connection: Do not wait for subconnections when setting up the connection (d8daff8)
• oauth2-error: If OAuth2 app is failing then show an indication about it on the account page (dd44cd5)

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[github-actions[bot]]

:robot: Release is at https://github.com/postalsys/emailengine/releases/tag/v2.40.6 :sunflower: