Switch container to use SQL 2022 instead of SQL Edge

[CarlSargunar]

This is a draft PR to update the template as per discussion : #17261

Essentially the previously specified container is no longer supported, so needs to be swapped to one which will work on any platform.

[github-actions]

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[emmagarland]

Hi @CarlSargunar, good stuff on starting this PR. Since it's still in draft, just give us a shout if you need anything to get it to a published PR. Otherwise, good luck and we'll check in soon!

[CarlSargunar]

@emmagarland yeah very much WIP - I want to consolidate some of the docs too and update them when I get some time so the Docker stuff all works nice :-)

[emmagarland]

Sounds fab!! Looking forward to catching up on the newer stuff

[CarlSargunar]

Just adding this here for my own ref : microsoft/mssql-docker#901

I'll update this later with more info