chore(deps): update updatetree-v1-3 to a15b292

Image created from 'https://github.com/securesign/trillian?rev=5c87058655f736068e15f3a3c6c23369b8aacb95'

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

Dockerfile.clients.rh

@@ -11,7 +11,7 @@ FROM registry.redhat.io/rhtas/ec-rhel9:0.8-1776366841@sha256:e4dafcf2793e5bd050a
 
 # Provides the Trusted Artifact Signer CLI binaries trillian-createtree and trillian-updatetree
 FROM quay.io/securesign/trillian-createtree@sha256:163edb41ea7f64afc8333ee14d4b28161f7017285afcca6ca12238732c77b98d as trillian-createtree
-FROM quay.io/securesign/trillian-updatetree@sha256:49d1968ed236c78da3f355f228f24d0048ac11c83bea82025a83630c9bc39c99 as trillian-updatetree
+FROM quay.io/securesign/trillian-updatetree@sha256:a15b29273dc6d50f4bd5cd96f8b126093d5ff10f7217f781e36a5783b1b390ad as trillian-updatetree
 
 FROM quay.io/securesign/cli-tuftool@sha256:27443f30e3f58c807640ca7d38195f71b7b2aa9eb829cd182cf0495115ea22b5 as tuf-tool