Add release CI job

.github/workflows/release.yaml

@@ -0,0 +1,52 @@
+# Copyright 2025 Enactic, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Release
+on:
+  push:
+    tags:
+      - '**'
+jobs:
+  publish:
+    name: Publish
+    runs-on: ubuntu-latest
+    environment: release
+    permissions:
+      contents: write
+      discussions: write
+    steps:
+      - uses: actions/checkout@v4
+      - name: Create source archive
+        run: |
+          git archive ${GITHUB_REF_NAME} \
+            --prefix openarm-hardware-${GITHUB_REF_NAME}/ \
+            --output openarm-hardware-${GITHUB_REF_NAME}.tar.gz
+          sha256sum \
+            openarm-hardware-${GITHUB_REF_NAME}.tar.gz > \
+            openarm-hardware-${GITHUB_REF_NAME}.tar.gz.sha256
+          sha512sum \
+            openarm-hardware-${GITHUB_REF_NAME}.tar.gz > \
+            openarm-hardware-${GITHUB_REF_NAME}.tar.gz.sha512
+      - name: Create GitHub Release
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          version=${GITHUB_REF_NAME}
+          gh release create ${GITHUB_REF_NAME} \
+            --discussion-category Announcements \
+            --generate-notes \
+            --repo ${GITHUB_REPOSITORY} \
+            --title "OpenArm Hardware ${version}" \
+            --verify-tag \
+            openarm-hardware-${GITHUB_REF_NAME}.tar.gz*