chore: update repo semaphore project

.semaphore/project.yml

@@ -1,18 +1,3 @@
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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 managed by ServiceBot plugin - Semaphore. The content in this file is created using a common
 # template and configurations in service.yml.
 # Modifications in this file will be overwritten by generated content in the nightly run.
@@ -38,22 +23,24 @@ spec:
         level: pipeline
     whitelist:
       branches:
-      - 2.3
-      - 2.4
-      - 2.5
-      - 2.6
-      - 2.7
-      - 2.8
-      - 3.0
-      - 3.1
-      - 3.2
-      - 3.3
-      - 3.4
-      - 3.5
-      - 3.6
-      - 3.7
-      - trunk
-      - master
+      - '2.3'
+      - '2.4'
+      - '2.5'
+      - '2.6'
+      - '2.7'
+      - '2.8'
+      - '3.0'
+      - '3.1'
+      - '3.2'
+      - '3.3'
+      - '3.4'
+      - '3.5'
+      - '3.6'
+      - '3.7'
+      - '3.8'
+      - 'trunk'
+      - 'master'
+      - '/^\d+\.\d+$/'
   custom_permissions: true
   debug_permissions:
   - empty