Move release and PR creation to the GitHub Actions

.github/workflows/create-release.yml

@@ -0,0 +1,18 @@
+name: Create release
+on:
+  repository_dispatch:
+    types: [create-release]
+
+jobs:
+  create_release:
+    name: Create release ${{ github.event.client_payload.ToolVersion }}
+    runs-on: ubuntu-latest
+    steps:
+    - name: Create release for Python ${{ github.event.client_payload.ToolVersion }}
+      uses: actions/create-release@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: ${{ github.event.client_payload.TagName }}
+        release_name: ${{ github.event.client_payload.ToolVersion }}
+        body: ${{ github.event.client_payload.ReleaseBody }}