[Test] Enable code cov for V1 and enable push trigger (#1164)

### What this PR does / why we need it?
- Enable code cov for V1
- Enable push triggered job

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
CI passed

Signed-off-by: Yikun Jiang <yikunkero@gmail.com>

codecov.yml

@@ -0,0 +1,30 @@
+#
+# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# This file is a part of the vllm-ascend project.
+#
+
+coverage:
+  status:
+    # non-voting, new code must be fully tested
+    patch:
+      default:
+        target: 100%
+        # non-voting
+        informational: true
+    # non-voting
+    project:
+      default:
+        # non-voting
+        informational: true