docker: Bump up to llvm-17.

Author: xlauko

.devcontainer/Dockerfile

@@ -2,7 +2,7 @@
 
 # [Choice] Debian / Ubuntu version (use Debian 11, Ubuntu 18.04/22.04 on local arm64/Apple Silicon): debian-11, debian-10, ubuntu-22.04, ubuntu-20.04, ubuntu-18.04
 ARG IMAGE="ubuntu-22.04"
-ARG LLVM_VERSION="16"
+ARG LLVM_VERSION="17"
 
 FROM mcr.microsoft.com/vscode/devcontainers/cpp:${IMAGE}
 ARG LLVM_VERSION