chore: attempt to produce manual GitHub action to release a RC version

Signed-off-by: Paul Horton <[email protected]>

Author: madpah

.github/workflows/manual-release-candidate.yml

@@ -0,0 +1,42 @@
+name: Manual Release Candidate
+
+on:
+  workflow_call:
+    inputs:
+      branch:
+        description: 'Branch to produce Release Candidate from'
+        required: true
+        type: string
+      rc_number:
+        description: 'RC Number'
+        default: 0
+        required: true
+        type: number
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    concurrency: release
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+      - name: Install dependencies
+        run: |
+          python -m pip install poetry --upgrade pip
+          poetry config virtualenvs.create false
+          poetry install
+          python -m pip install python-semantic-release
+      - name: Determine RC candidate version
+        run: |
+          RC_VERSION="$(python-semantic-release --noop --major print-version)rc${{ inputs.rc_number }})"
+          echo "RC Version will be: ${RC_VERSION}"
+#      - name: Python Semantic Release
+#        uses: relekang/python-semantic-release@master
+#        with:
+#          github_token: ${{ secrets.GITHUB_TOKEN }}
+#          pypi_token: ${{ secrets.PYPI_TOKEN }}