Simplify the Challenge PR GHA until the myriad workflow is fixed (deal with branches and generate PRs rather than merging automatically in the myriad challenge).
One validation GHA that prevents to merge code into the solutions repository if the challenges PR has not been generated.
One manually triggered GHA (no clue how yet) to generate the challenges PR.
Benefits : no need to deal with undesired challenges PR
Simplify the Challenge PR GHA until the myriad workflow is fixed (deal with branches and generate PRs rather than merging automatically in the myriad challenge).
One validation GHA that prevents to merge code into the solutions repository if the challenges PR has not been generated.
One manually triggered GHA (no clue how yet) to generate the challenges PR.
Benefits : no need to deal with undesired challenges PR