fix: invalid namespace name

action.yaml

@@ -12,4 +12,4 @@ runs:
   using: composite
   steps:
     - name: k8sdeploy
-      run: ${{ gitea.action_path }}/k8sdeploy.sh
+      run: ${{ gitea.action_path }}/entrypoint.sh

entrypoint.sh

@@ -6,7 +6,7 @@ set -a
 set +a
 
 REGISTRY="${IMAGEAPP%%/*}"
-export K8S_NS="${GITHUB_REPOSITORY#*/}-${GITHUB_REF_NAME}"
+export K8S_NS; K8S_NS="$(tr '[:upper:]' '[:lower:]' <<< "${GITHUB_REPOSITORY#*/}-$GITHUB_REF_NAME" | tr -c '[:lower:]-' -)"
 
 mkdir -p "$HOME/.kube/"
 echo "$INPUT_KUBECONFIG" > "$HOME/.kube/config"