CI: blossom CI do not fail on codesyle failures

Signed-off-by: Daniel Pressler <danielpr@nvidia.com>

Author: dpressle

.ci/pipeline/codestyle_matrix.yaml

@@ -78,7 +78,6 @@ steps:
       if ! git diff --quiet --exit-code; then
         echo "ERROR: Code is not formatted according to code style."
         echo "See https://github.com/openucx/ucx/wiki/Code-style-checking"
-        exit 1
       fi
 
   - name: Authors Check