fix: alinear namespace con ADR-054 (cluster-per-tenant)

- workflow: --namespace apps (antes tenant-${TENANT_ID_NODASHES}-apps)

ADR-054 establece namespaces funcionales en cluster tenant. El cluster
RKE2 dedicado ya es el sandbox del tenant.

.gitea/workflows/APP_NAME-build.yaml

@@ -50,9 +50,10 @@ jobs:
           TENANT_ID_NODASHES: ${{ vars.TENANT_ID_NODASHES }}
           TENANT_TIER: ${{ vars.TENANT_TIER }}
           IMAGE_TAG: ${{ needs.build.outputs.image_tag }}
+        # ADR-054: namespace funcional fijo en cluster tenant — el cluster ya es el sandbox.
         run: |
           helm upgrade --install __APP_NAME__ ./helm/__APP_NAME__ \
-            --namespace tenant-${TENANT_ID_NODASHES}-apps \
+            --namespace apps \
             --create-namespace \
             --set image.tag=${IMAGE_TAG} \
             --set tenantId=${TENANT_ID} \
@@ -61,11 +62,8 @@ jobs:
             --wait --timeout 5m
 
       - name: Verificar rollout
-        env:
-          TENANT_ID_NODASHES: ${{ vars.TENANT_ID_NODASHES }}
         run: |
-          kubectl -n tenant-${TENANT_ID_NODASHES}-apps \
-            rollout status deploy/__APP_NAME__ --timeout=3m
+          kubectl -n apps rollout status deploy/__APP_NAME__ --timeout=3m
 
       - name: Smoke check post-deploy
         env: