Switch NonlinearSolve downstream to only core

Author: ChrisRackauckas

.github/workflows/Downstream.yml

@@ -21,7 +21,7 @@ jobs:
           - {user: SciML, repo: ModelingToolkit.jl, group: All}
           - {user: SciML, repo: SciMLSensitivity.jl, group: Core1}
           - {user: SciML, repo: BoundaryValueDiffEq.jl, group: All}
-          - {user: SciML, repo: NonlinearSolve.jl, group: All}
+          - {user: SciML, repo: NonlinearSolve.jl, group: Core}
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v2