Replace private registry-setup action with the public actions it wraps

JuliaComputing/set-up-private-juliahub-registries lives in a private
repository, and private actions cannot be resolved from workflows in this
public repository (the run failed at job setup with "Unable to resolve
action"). Use the public actions it delegates to directly:
webfactory/ssh-agent for the Git SSH identity and
PumasAI/add-private-registry for the JuliaHubRegistry, JuliaSimRegistry
and DyadRegistry registries, with the same two secrets.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: baggepinnen

.github/workflows/CI.yml

@@ -39,13 +39,38 @@ jobs:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
 
-      - name: "Set up private JuliaHub registries"
-        uses: "JuliaComputing/set-up-private-juliahub-registries@2f465506027adbe8086afc41dd3514e9020d1577" # v2.0.0
+      # The JuliaComputing/set-up-private-juliahub-registries action lives in a
+      # private repository and cannot be resolved from this public repository,
+      # so the equivalent registry setup is spelled out here with the public
+      # actions it wraps.
+      - name: "Set up SSH agent for private Git dependencies"
+        uses: "webfactory/ssh-agent@e83874834305fe9a4a2997156cb26c5de65a8555" # v0.10.0
         with:
-          encoded-juliahub-token: "${{ secrets.JULIAHUB_TOKEN_ENCODED }}"
-          ssh-key: "${{ secrets.JULIASIM_REGISTRY_SSH_KEY }}"
-          enable-JSMLComponents: "true"
-          enable-JuliaHubRegistry: "true"
+          ssh-private-key: "${{ secrets.JULIASIM_REGISTRY_SSH_KEY }}"
+
+      - name: "Enable the JuliaHubRegistry registry"
+        uses: "PumasAI/add-private-registry@3ee6e5689774ff51631dd6b1fd35bae37b363ae3" # v1.0.1
+        with:
+          juliahub_token_encoded: "${{ secrets.JULIAHUB_TOKEN_ENCODED }}"
+          install_general_registry: "true"
+          private_registry_name: "JuliaHubRegistry"
+          private_registry_uuid: "de52bcdf-fcb2-40cf-a397-3d64b64f4d9c"
+
+      - name: "Enable the JuliaSimRegistry registry"
+        uses: "PumasAI/add-private-registry@3ee6e5689774ff51631dd6b1fd35bae37b363ae3" # v1.0.1
+        with:
+          juliahub_token_encoded: "${{ secrets.JULIAHUB_TOKEN_ENCODED }}"
+          install_general_registry: "false"
+          private_registry_name: "JuliaSimRegistry"
+          private_registry_uuid: "309a7822-a73e-4490-9504-7d1983f27685"
+
+      - name: "Enable the DyadRegistry registry"
+        uses: "PumasAI/add-private-registry@3ee6e5689774ff51631dd6b1fd35bae37b363ae3" # v1.0.1
+        with:
+          juliahub_token_encoded: "${{ secrets.JULIAHUB_TOKEN_ENCODED }}"
+          install_general_registry: "false"
+          private_registry_name: "DyadRegistry"
+          private_registry_uuid: "07e6f81e-a02a-4ea6-9289-c3820c24b8ed"
 
       # TEMPORARY: the 3D models require the BodyShape center-of-mass fix
       # (JuliaComputing/MultibodyComponents.jl#150), which is not yet in any