chore(deps): update redhat/ubi9:latest docker digest to 5ff7f5e (#2520)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: bitcoin-tools

docker/Dockerfile_redhat-ubi9

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 # RHEL UBI is an enterprise-grade Linux distribution with long-term support.
 # This Dockerfile is ideal for enterprise applications requiring strong support and stability.
-FROM redhat/ubi9:latest@sha256:dec374e05cc13ebbc0975c9f521f3db6942d27f8ccdf06b180160490eef8bdbc
+FROM redhat/ubi9:latest@sha256:5ff7f5e56f4826ca8413765e57f8a5bad4bf42b73f958f3d0c2668a0f870316c
 
 # Set the terminal type to Xterm.
 ENV TERM=xterm