[TASK] Add Github Action for TER releases

.github/workflows/ter-release.yml

@@ -0,0 +1,18 @@
+name: TER release
+
+on:
+  push:
+    tags:
+      - "**"
+
+jobs:
+  publish:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: "Checkout"
+        uses: actions/checkout@v2
+
+      - name: "Publish new version to TER"
+        uses: tomasnorre/typo3-upload-ter@v2
+        with:
+          api-token: ${{ secrets.TYPO3_API_TOKEN }}