Debug ulimit value on runner images

.github/workflows/pre-release.yml

@@ -38,6 +38,11 @@ jobs:
       image: ${{ matrix.image }}
       options: --ulimit nofile=1000000:1000000
     steps:
+      - name: Print ulimit for debugging
+        run: |
+          ulimit -Hn
+          ulimit -Sn
+
       - name: Update and install packages
         run: apt-get update && apt-get install -y curl git build-essential pkg-config libssl-dev
 
@@ -107,9 +112,14 @@ jobs:
 
   doc:
     name: Generate documentation
-    needs: checks
+    # needs: checks
     runs-on: ubuntu-latest
     steps:
+      - name: Print ulimit for debugging
+        run: |
+          ulimit -Hn
+          ulimit -Sn
+
       - name: Clone this repository
         uses: actions/checkout@v4