v0.8.0 - standalone updates

What is new:

• add pruned blockchain source: https://pruned.host4coins.net/blocks (h/t: @ketominer) #131
• update the amd64 base image to Debian 12.0.0 #131
• update the arm64-rpi base image to 20230612_raspi_4_bookworm #132
• update Bitcoin Core to v25.0 #133

Full Changelog: v0.7.8...v0.8.0