Add merged branch release notes to Gitea release body

Generates release notes from merged branches since last tag and
includes them in the release body via Gitea API.

💘 Generated with Crush

Assisted-by: Claude Sonnet 4.6 via Crush <crush@charm.land>

.woodpecker/release.yaml

@@ -17,8 +17,8 @@ steps:
   - name: release
     image: git.unkin.net/unkin/almalinux9-base:20260325
     environment:
-      RELEASER_TOKEN:
+      DRONECI_PASSWORD:
-        from_secret: RELEASER_TOKEN
+        from_secret: DRONECI_PASSWORD
     commands:
       - |
         PREV_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")
@@ -28,20 +28,13 @@ steps:
           NOTES=$(git log --merges --pretty=format:"- %s")
         fi
         BODY=$(printf '%s' "$NOTES" | sed 's/"/\\"/g; s/$/\\n/' | tr -d '\n')
-        GET_RESPONSE=$(curl -s "https://git.unkin.net/api/v1/repos/${CI_REPO}/releases/tags/${CI_COMMIT_TAG}")
+        RELEASE_ID=$(curl -sf -X POST "https://git.unkin.net/api/v1/repos/${CI_REPO}/releases" \
-        echo "GET response: ${GET_RESPONSE}"
+          -u "droneci:$DRONECI_PASSWORD" \
-        RELEASE_ID=$(printf '%s' "${GET_RESPONSE}" | grep -o '"id":[0-9]*' | head -1 | cut -d: -f2)
-        if [ -z "$RELEASE_ID" ]; then
-          echo "ERROR: failed to find release for tag ${CI_COMMIT_TAG}" >&2
-          exit 1
-        fi
-        echo "Release ID: ${RELEASE_ID}"
-        curl -s -X PATCH "https://git.unkin.net/api/v1/repos/${CI_REPO}/releases/${RELEASE_ID}" \
-          -H "Authorization: token ${RELEASER_TOKEN}" \
           -H "Content-Type: application/json" \
-          -d "{\"body\":\"${BODY}\"}"
+          -d "{\"tag_name\":\"${CI_COMMIT_TAG}\",\"name\":\"${CI_COMMIT_TAG}\",\"body\":\"${BODY}\"}" \
-        curl -s -X POST "https://git.unkin.net/api/v1/repos/${CI_REPO}/releases/${RELEASE_ID}/assets" \
+          | grep -o '"id":[0-9]*' | head -1 | cut -d: -f2)
-          -H "Authorization: token ${RELEASER_TOKEN}" \
+        curl -sf -X POST "https://git.unkin.net/api/v1/repos/${CI_REPO}/releases/${RELEASE_ID}/assets" \
+          -u "droneci:$DRONECI_PASSWORD" \
           -F "attachment=@node-lookup"
     backend_options:
       kubernetes: