Restore dependabot for 12 and 12.1 (some exclusion on version ranges will come later but that's a starting point)

[olamy]

Signed-off-by: Olivier Lamy [email protected]

[joakime]

Lets hold off on cleaning up the poms right now.
We can remove those sections later, once we've confirmed the new dependabot configs.

Besides, we can use that configuration as a reference when we implement the dependency exclusion behavior in dependabot too.

[joakime]

Lets hold off on cleaning up the pom right now.
We can remove this section later, once we've confirmed the new dependabot configs.

[joakime]

Lets hold off on cleaning up the pom right now.
We can remove this section later, once we've confirmed the new dependabot configs.

[joakime]

Lets hold off on cleaning up the pom right now.
We can remove this section later, once we've confirmed the new dependabot configs.

[joakime]

Lets hold off on cleaning up the pom right now.
We can remove this section later, once we've confirmed the new dependabot configs.

[joakime]

Lets hold off on cleaning up the pom right now.
We can remove this section later, once we've confirmed the new dependabot configs.

[olamy]

Lets hold off on cleaning up the poms right now. We can remove those sections later, once we've confirmed the new dependabot configs.

Besides, we can use that configuration as a reference when we implement the dependency exclusion behavior in dependabot too.

I would say the opposite, if dependabot doesn't work we can simply revert the change and so the pom changes will be back and if it works, there's no need for another PR.
By experience, I can see that most of the time we never do the cleanup afterwards.
Just as I did when implementing using jakarta.platform:jakarta.jakartaee-bom for ee10 and ee11 and haven't done the cleaning :)

[olamy]

if really needed, files will still be available, looking at the last tag https://github.com/jetty/jetty.project/tree/jetty-12.1.2
If not cleaned up now, it will never be done, and a few years later, we will ask, "Is this still needed or used?" :)