feat: update mermaid version

[PurpleBabar]

The title is self explanatory ;) Since the version 11 supports new types of diagram it would be cool to support version 11 of mermaid js :)

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[PurpleBabar]

Will do :) I thought this was done automatically in build with github action :)

[PurpleBabar]

Done :)

[imfing]

thank you @PurpleBabar