[add] use i2pd version 2.48.0 by default

Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 ARG UBUNTU_VERSION=22.04
 FROM ubuntu:${UBUNTU_VERSION} AS builder_i2pd
-ARG I2PD_VERSION=2.47.0
+ARG I2PD_VERSION=2.48.0
 ARG I2PD_COMPILER=gcc
 RUN DEBIAN_FRONTEND=noninteractive\
     apt-get update &&\

make_i2pd_yggdrasil_docker_image.sh

@@ -2,7 +2,7 @@
 TAG_VERSION=$(git describe --tags || echo "unknown")
 docker build \
     --build-arg UBUNTU_VERSION=22.04 \
-    --build-arg I2PD_VERSION=2.47.0 \
+    --build-arg I2PD_VERSION=2.48.0 \
     --build-arg I2PD_COMPILER=gcc \
     --build-arg YGGDRASIL_VERSION=v0.4.7 \
     --tag i2pd_yggdrasil:${TAG_VERSION} \