[releng] Automatically create a tag when the website is published

[szarnekow]

We should create a tag when we merge into the published branch to document that the website was changed.

I'd say publishedYYYYmmddhhmm as a pattern might make sense.

[IamLRBA]

Hello @szarnekow , i would like to be assigned this task please.
Thanks!

[szarnekow]

Thank you for picking this up, @IamLRBA

[IamLRBA]

Thanks for assigning it to me @szarnekow .