message: ci: Switch to bitcoincore.org download
diff: @@ -137,7 +137,7 @@ pushd "$TARGET" || exit 1
  else
  BIN_PATH="bin/bitcoin-core-${tag:1}"
  fi
  - URL="https://bitcoin.org/$BIN_PATH/bitcoin-${tag:1}-$PLATFORM.tar.gz"
  + URL="https://bitcoincore.org/$BIN_PATH/bitcoin-${tag:1}-$PLATFORM.tar.gz"
  echo "Fetching: $URL"
  if ! curl -O -f $URL; then
  echo "Download failed."
  