Use v1 branch for workflows

Author: kadler

.github/workflows/build.yml

@@ -3,10 +3,10 @@ name: Build
 on:
   pull_request:
     branches:
-      - main
+      - v1
   push:
     branches:
-      - main
+      - v1
 
 jobs:
   build:

.github/workflows/lint.yml

@@ -3,7 +3,7 @@ name: Lint PR
 on:
   pull_request:
     branches:
-      - main
+      - v1
 
 jobs:
   lint:

README.md

@@ -1,7 +1,7 @@
 Python XMLSERVICE Toolkit
 =========================
 
-[![Build Status](https://github.com/IBM/python-itoolkit/actions/workflows/build.yml/badge.svg?branch=main&event=push)](https://github.com/IBM/python-itoolkit/actions/workflows/build.yml)
+[![Build Status](https://github.com/IBM/python-itoolkit/actions/workflows/build.yml/badge.svg?branch=v1&event=push)](https://github.com/IBM/python-itoolkit/actions/workflows/build.yml)
 [![Latest version released on PyPi](https://img.shields.io/pypi/v/itoolkit.svg)](https://pypi.python.org/pypi/itoolkit)
 [![Python Version Support](https://img.shields.io/pypi/pyversions/itoolkit.svg)](https://pypi.org/project/itoolkit/)
 [![Documentation Status](https://readthedocs.org/projects/python-itoolkit/badge/?version=latest)](https://python-itoolkit.readthedocs.io/en/latest/?badge=latest)