Update DowngradeSublibraries.yml

Author: ChrisRackauckas

.github/workflows/DowngradeSublibraries.yml

@@ -60,7 +60,7 @@ jobs:
       - uses: julia-actions/julia-downgrade-compat@v2
         with:
           projects: ${{ matrix.project }}
-          skip: Pkg,TOML
+          skip: Pkg,TOML,Statistics,LinearAlgebra,SparseArrays,InteractiveUtils
           version: ${{ matrix.julia-version }}
       - uses: julia-actions/julia-buildpkg@v1
         with: