Bump Bitcoin Core to v29.0

https://bitcoincore.org/en/releases/29.0/

Author: sethforprivacy

Dockerfile

@@ -25,7 +25,7 @@ RUN apt update \
     wget \
     && apt clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
-ARG VERSION=28.1
+ARG VERSION=29.0
 ARG BITCOIN_CORE_SIGNATURE=71A3B16735405025D447E8F274810B012346C9A6
 
 # Don't use base image's bitcoin package for a few reasons: