Add label-based conditions for CI jobs

Add conditional checks to skip CI jobs based on labels.

Author: ocots

.github/workflows/CI.yml

@@ -9,6 +9,7 @@ on:
 
 jobs:
   test-cpu-github:
+    if: ${{ ! contains(github.event.pull_request.labels.*.name, 'run ci cpu') }}
     uses: control-toolbox/CTActions/.github/workflows/ci.yml@main
     with:
       versions: '["1.12"]'
@@ -20,11 +21,12 @@ jobs:
 
   # Job pour le runner self-hosted kkt (GPU/CUDA)
   test-gpu-kkt:
+    if: ${{ ! contains(github.event.pull_request.labels.*.name, 'run ci gpu') }}
     uses: control-toolbox/CTActions/.github/workflows/ci.yml@main
     with:
       versions: '["1"]'
       runs_on: '[["kkt"]]'
       runner_type: 'self-hosted'
       use_ct_registry: false
     secrets:
-      SSH_KEY: ${{ secrets.SSH_KEY }}
+      SSH_KEY: ${{ secrets.SSH_KEY }}