don't use error hanndling

.gitea/workflows/render-manifests.yaml

@@ -47,11 +47,7 @@ jobs:
           git config user.email "gitea-bot@alexlebens.net"
 
           echo ">> Checking if PR branch exists ..."
-          set e+
-          git ls-remote --exit-code --heads origin "${BRANCH_NAME}" > /dev/null 2>&1
-          set e-
-
-          if [ $? -eq 0 ]; then
+          if [[ $(git ls-remote --heads origin "${BRANCH_NAME}" | wc -l) -gt 0 ]]; then
             echo ">> Branch '${BRANCH_NAME}' exists, pulling changes ..."
             git fetch origin "${BRANCH_NAME}"
             git checkout "${BRANCH_NAME}"