Convert main.workflow to v2 yml

.github/workflows/push.yml

@@ -0,0 +1,20 @@
+on: push
+name: create-pull-request action testing workflow
+jobs:
+  createPullRequest:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - name: Create report file
+      uses: finnp/create-file-action@1.0.0
+      env:
+        FILE_DATA: This is created to test create-pull-request action.
+        FILE_NAME: report.txt
+    - name: Create Pull Request
+      uses: ./
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        COMMIT_MESSAGE: Add report file
+        PULL_REQUEST_BODY: This PR is auto-generated by [create-pull-request](https://github.com/peter-evans/create-pull-request).
+        PULL_REQUEST_BRANCH: test-patches
+        PULL_REQUEST_TITLE: '[Test] Add report file'