build(deps): bump ubuntu in /tools/ubuntu-cross

Bumps ubuntu from `d1e2e92` to `0d39fcc`.

---
updated-dependencies:
- dependency-name: ubuntu
  dependency-version: noble
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

tools/ubuntu-cross/Dockerfile

@@ -1,5 +1,5 @@
 FROM --platform=${BUILDPLATFORM} tonistiigi/xx:master@sha256:7e8c9d88e47741bb0d35981494920eee2857cd75a40193567fe6c1a16adf785d AS xx
-FROM --platform=${BUILDPLATFORM} ubuntu:noble@sha256:d1e2e92c075e5ca139d51a140fff46f84315c0fdce203eab2807c7e495eff4f9 AS build
+FROM --platform=${BUILDPLATFORM} ubuntu:noble@sha256:0d39fcc8335d6d74d5502f6df2d30119ff4790ebbb60b364818d5112d9e3e932 AS build
 COPY --from=xx / /
 
 RUN <<EOF