fix: create releases through Gitea API

tests/test_release_workflow.py

@@ -0,0 +1,24 @@
+from pathlib import Path
+
+
+WORKFLOW = Path(".gitea/workflows/release.yml")
+
+
+def test_release_workflow_uses_gitea_api_not_github_cli():
+    text = WORKFLOW.read_text()
+    assert "gh release" not in text
+    assert "/api/v1/repos/${{ github.repository }}/tags" in text
+    assert "/api/v1/repos/${{ github.repository }}/releases" in text
+
+
+def test_release_workflow_targets_merge_commit_and_marks_rc():
+    text = WORKFLOW.read_text()
+    assert 'TARGET="${{ github.sha }}"' in text
+    assert '"prerelease":true' in text
+    assert '"draft":false' in text
+
+
+def test_release_workflow_fails_on_api_error():
+    text = WORKFLOW.read_text()
+    assert "curl --fail-with-body" in text
+    assert "|| true" not in text