fix(ci): skip mock server install in release workflow [ENG-11910]

.github/actions/setup-nix/action.yaml

@@ -9,6 +9,10 @@ inputs:
     description: "Skip uv sync step (useful for jobs that do not need Python dependencies)"
     required: false
     default: "false"
+  skip-mock-server:
+    description: "Skip MCP mock server dependencies installation (useful for jobs that do not run tests)"
+    required: false
+    default: "false"
 runs:
   using: "composite"
   steps:
@@ -42,7 +46,7 @@ runs:
       run: uv sync --all-extras
 
     - name: Install MCP mock server dependencies
-      if: inputs.skip-uv-sync != 'true'
+      if: inputs.skip-uv-sync != 'true' && inputs.skip-mock-server != 'true'
       shell: bash
       run: |
         if [ -f vendor/stackone-ai-node/package.json ]; then

.github/workflows/release.yaml

@@ -27,6 +27,8 @@ jobs:
       - name: Setup Nix
         if: ${{ steps.release.outputs.release_created }}
         uses: ./.github/actions/setup-nix
+        with:
+          skip-mock-server: "true"
 
       - name: Update version in __init__.py
         if: ${{ steps.release.outputs.release_created }}