ci: improve SSH directory creation logic

Update the GitHub Actions workflow to ensure the ~/.ssh directory is created only if it does not already exist. This prevents unnecessary output and maintains clarity in the workflow logs.

Author: tanguc

.github/workflows/ci-cd.yml

@@ -64,7 +64,7 @@ jobs:
 
       - name: Add GitHub to known_hosts
         run: |
-          mkdir -p ~/.ssh || echo "dir exists"
+          if [ ! -d ~/.ssh ]; then mkdir -p ~/.ssh; else echo "dir exists"; fi
           ssh-keyscan github.com >> ~/.ssh/known_hosts
 
       - name: add net git fetch