change pnpm installation gh action

Author: hanouticelina

.github/workflows/api_inference_generate_documentation.yml

@@ -22,15 +22,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
 
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v3
         with:
           node-version: "20"
 
       - name: Install pnpm
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@v2
         with:
           run_install: true