refactor: use bun for test fixtures

.github/actions/setup-project/action.yml

@@ -33,12 +33,18 @@ runs:
       with:
         node-version: ${{ inputs.node-version }}
 
+    - name: 🏗 Setup Bun
+      if: ${{ inputs.with-fixture == 'true' }}
+      uses: oven-sh/setup-bun@v1
+      with:
+        bun-version: 1.x
+
     - name: 📦 Install dependencies
       run: npm ci
       shell: bash
 
     - name: 📦 Install fixture
       if: ${{ inputs.with-fixture == 'true' }}
-      run: npm ci
+      run: bun install --yarn --frozen-lockfile
       working-directory: test/fixture
       shell: bash

.gitignore

@@ -14,6 +14,10 @@ yarn-debug.log*
 yarn-error.log*
 yarn.lock
 
+# Specific to fixtures
+/test/fixture/package-lock.json
+!/test/fixture/yarn.lock
+
 # editors
 .idea
 

.vscode/tasks.json

@@ -25,7 +25,7 @@
     {
       "label": "install-fixtures",
       "type": "shell",
-      "command": "npm install",
+      "command": "bun install --yarn",
       "options": {
         "cwd": "${workspaceFolder}/test/fixture"
       },