Add Iterable subtype bound to FromInput

[ubaldop]

As a precondition for the enhancement suggested here, this adds slight improvements to the FromInput trait, namely:

• introduction of an Iterable subtype bound
• introduction of a new implicit, i.e.: iterableInput
• loosen type in mapAndMarshal signature

[yanns]

I kind of missed that PR. I guess it's still actual?

[ubaldop]

if sangria-graphql/sangria#979 is still needed, yes :)

[yanns]

Let's try out then!

[yanns]

could you rebase it on the new main?

[ubaldop]

could you rebase it on the new main?

done

[yanns]

You need to add some exceptions in the mina binary checks:
https://github.com/sangria-graphql/sangria-marshalling-api/actions/runs/10774639006/job/29877690179?pr=160

Ex how to do it: https://github.com/sangria-graphql/sangria/blob/2f5aa8b457dd522530ab45689e1a83fdf176a152/build.sbt#L96

[ubaldop]

mimaBinaryIssueFilters added here: cde0579