tie v1.0 doc publishing to 1.0.x branch (#303)

.github/workflows/publish-1.0-docs.yml

@@ -1,3 +1,20 @@
+# 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.
+
 name: Publish 1.0 docs
 
 on:
@@ -13,6 +30,7 @@ jobs:
         uses: actions/checkout@v3
         with:
           fetch-depth: 0
+          ref: 1.0.x
 
       - name: Set up JDK 8
         uses: actions/setup-java@v3