tweak doc generation again

Author: ablaom

.github/workflows/ci.yml

@@ -64,10 +64,7 @@ jobs:
           DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
       - run: |
           julia --project=docs -e '
-            using Pkg
-            Pkg.develop(PackageSpec(path=pwd()))
-            Pkg.instantiate()
             using Documenter: DocMeta, doctest
-            using MLJModelRegistry
-            DocMeta.setdocmeta!(MLJModelRegistry, :DocTestSetup, :(using MLJModelRegistry); recursive=true)
-            doctest(MLJModelRegistry)'
+            using MLJModelRegistryTools
+            DocMeta.setdocmeta!(MLJModelRegistryTools, :DocTestSetup, :(using MLJModelRegistryTools); recursive=true)
+            doctest(MLJModelRegistryTools)'