chore(deps): update ubuntu:latest docker digest to f3b7f1b (#2380)

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

Author: bitcoin-tools

docker/Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 # Ubuntu is known for its popularity and user-friendly design.
 # This Dockerfile offers a balance between stability, security, and modernity.
-FROM ubuntu:latest@sha256:7c06e91f61fa88c08cc74f7e1b7c69ae24910d745357e0dfe1d2c0322aaf20f9
+FROM ubuntu:latest@sha256:f3b7f1bdfaf22a0a8db05bb2b758535fe0e70d82bea4206f7549f89aa12922f4
 
 # Set the terminal type to Xterm.
 ENV TERM=xterm