chore(deps): update ubuntu:latest docker digest to 186072b (#2027)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/docker/mdns-browser-ubuntu-builder/Dockerfile

@@ -1,7 +1,7 @@
 # Copyright 2025 hrzlgnm
 # SPDX-License-Identifier: MIT-0
 
-FROM ubuntu:latest@sha256:0d39fcc8335d6d74d5502f6df2d30119ff4790ebbb60b364818d5112d9e3e932
+FROM ubuntu:latest@sha256:186072bba1b2f436cbb91ef2567abca677337cfc786c86e107d25b7072feef0c
 RUN apt-get update \
     && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
     build-essential \