Move translations from Azure to GitHub action (#50518)

.github/workflows/translations.yaml

@@ -0,0 +1,64 @@
+name: Translations
+
+# yamllint disable-line rule:truthy
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 0 * * *"
+  push:
+    branches:
+      - dev
+    paths:
+      - "**strings.json"
+
+env:
+  DEFAULT_PYTHON: 3.8
+
+jobs:
+  upload:
+    name: Upload
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v2
+
+      - name: Set up Python ${{ env.DEFAULT_PYTHON }}
+        uses: actions/setup-python@v2.2.2
+        with:
+          python-version: ${{ env.DEFAULT_PYTHON }}
+
+      - name: Upload Translations
+        run: |
+          export LOKALISE_TOKEN="${{ secrets.LOKALISE_TOKEN }}"
+          python3 -m script.translations upload
+
+  download:
+    name: Download
+    needs: upload
+    if: github.event_name == 'schedule' || github.event_name == "workflow_dispatch"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v2
+
+      - name: Set up Python ${{ env.DEFAULT_PYTHON }}
+        uses: actions/setup-python@v2.2.2
+        with:
+          python-version: ${{ env.DEFAULT_PYTHON }}
+
+      - name: Download Translations
+        run: |
+          export LOKALISE_TOKEN="${{ secrets.LOKALISE_TOKEN }}"
+          python3 -m script.translations download
+
+      - name: Initialize git
+        uses: home-assistant/actions/helpers/git-init@master
+        with:
+          name: GitHub Action
+          email: github-action@users.noreply.github.com
+
+      - name: Update translation
+        run: |
+          git add homeassistant
+          git commit -am "[ci skip] Translation update"
+          git push