Add workflow to publish a release.

.github/workflows/cd-push-to-pypi.yaml

@@ -0,0 +1,28 @@
+name: Publish `dbt-semantic-interfaces` Release
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - "*"
+
+env:
+  PYTHON_VERSION: "3.8"
+
+jobs:
+  pypi-publish:
+    runs-on: ubuntu-latest
+    environment: PYPI_PUBLISH
+    steps:
+      - name: Check-out the repo
+        uses: actions/checkout@v3
+
+      - name: Setup Python ${{ env.PYTHON_VERSION }} Environment
+        uses: ./.github/actions/setup-python-env
+        with:
+          python-version: "${{ env.PYTHON_VERSION }}"
+
+      - name: Hatch Publish
+        run: hatch build && hatch publish
+        env:
+          HATCH_INDEX_USER: __token__
+          HATCH_INDEX_AUTH: ${{ secrets.PYPI_API_TOKEN }}