fix: remove positional tag argument from tea releases create (#12)

Passing tag both as argument and --tag flag causes ambiguous args error.

💘 Generated with Crush

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

Reviewed-on: #12

.woodpecker/release.yaml

@@ -46,7 +46,7 @@ steps:
         else
           NOTES=$(git log --pretty=format:"- %s")
         fi
-        tea releases create "${CI_COMMIT_TAG}" --tag "${CI_COMMIT_TAG}" --title "${CI_COMMIT_TAG}" --note "${NOTES}" --login gitea --repo "${CI_REPO}"
+        tea releases create --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 \