Bump hdm base version to 0.4.25

[ci]

Signed-off-by: Moritz Kiefer <[email protected]>

Author: cocreature

build-tools/find_latest_hard_migration_base_version.sh

@@ -11,4 +11,4 @@ set -euo pipefail
 # TODO(DACH-NY/canton-network-internal#2179) revert to normal once MainNet is on 0.5.x
 # latest_release=$(cat "$SPLICE_ROOT/LATEST_RELEASE")
 # echo "release-line-${latest_release}"
-echo "release-line-0.4.23"
+echo "release-line-0.4.25"