Update Docker image to Ubuntu 24.04 LTS (#1168)

Author: tarolling

Dockerfile

@@ -1,6 +1,5 @@
-FROM ubuntu:focal@sha256:0b897358ff6624825fb50d20ffb605ab0eaea77ced0adb8c6a4b756513dec6fc
+FROM ubuntu:noble@sha256:e3f92abc0967a6c19d0dfa2d55838833e947b9d74edbcb0113e48535ad4be12a
 
-ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get install --no-install-recommends -y libssl-dev zlib1g-dev libsodium-dev libopus-dev cmake pkg-config g++ gcc git make && apt-get clean && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /usr/src/DPP