en to en_GB translation catalogue (4 entries)

en: An error occurred during the connection initialization phase.
en_GB: An error occurred during the connection initialisation phase.

en: Could not initialize new TLS context.
en_GB: Could not initialise new TLS context.

en: Cannot initialize the SASL client.
en_GB: Cannot initialise the SASL client.

[ctx: @label:textbox]
en: Check all servers that should be used:
en_GB: Tick all servers that should be used:
