chore(deps): update ghcr.io/vexxhost/build-utils:latest docker digest to fa92df7 (#320)

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

Author: renovate[bot]

Dockerfile

@@ -6,5 +6,5 @@ ARG FROM
 FROM ${FROM}
 ENV PATH=/var/lib/openstack/bin:$PATH
 RUN --mount=type=bind,source=bindep.txt,target=/bindep.txt \
-    --mount=type=bind,from=ghcr.io/vexxhost/build-utils:latest@sha256:287aa63d116f9e49c525b52aa9ffed40c292bb089190c6f348992dfed5cb0646,source=/bin,target=/build \
+    --mount=type=bind,from=ghcr.io/vexxhost/build-utils:latest@sha256:fa92df7952c3012728314afc9e57769c5b5460932017d65812e930eb567af093,source=/bin,target=/build \
     /build/install-bindep-packages