feat: trigger release pipeline on tag push, create release in pipeline

Makefile patch/minor/major now only tag and push. The pipeline handles
creating the Gitea release with notes and uploading all four binaries.
Also drop --merges filter so squash-merged PRs appear in release notes.

💘 Generated with Crush

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

.woodpecker/release.yaml

@@ -1,5 +1,5 @@
 when:
-  - event: release
+  - event: tag
 
 steps:
   - name: test
@@ -42,11 +42,11 @@ steps:
         tea logins add --name gitea --url https://git.unkin.net --token "$${RELEASER_TOKEN}" --no-version-check
         PREV_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")
         if [ -n "$PREV_TAG" ]; then
-          NOTES=$(git log "${PREV_TAG}..${CI_COMMIT_TAG}" --merges --pretty=format:"- %s")
+          NOTES=$(git log "${PREV_TAG}..${CI_COMMIT_TAG}" --pretty=format:"- %s")
         else
-          NOTES=$(git log --merges --pretty=format:"- %s")
+          NOTES=$(git log --pretty=format:"- %s")
         fi
-        tea releases edit "${CI_COMMIT_TAG}" --note "${NOTES}" --login gitea --repo "${CI_REPO}"
+        tea releases create "${CI_COMMIT_TAG}" --tag "${CI_COMMIT_TAG}" --title "${CI_COMMIT_TAG}" --note "${NOTES}" --login gitea --repo "${CI_REPO}"
         tea releases assets create "${CI_COMMIT_TAG}" \
           node-lookup-linux-amd64 \
           node-lookup-linux-arm64 \