fix: resolve CodeQL cpp issue (#2305)

docker/Dockerfile.dev

@@ -4,7 +4,6 @@ FROM lmsysorg/sglang:latest
 # Install development tools and utilities
 RUN apt-get update && apt-get install -y \
     gdb \
-    cmake \
     ninja-build \
     vim \
     tmux \
@@ -50,6 +49,13 @@ RUN curl -L https://github.com/clangd/clangd/releases/download/18.1.3/clangd-lin
     && cp -r clangd_18.1.3/lib/* /usr/local/lib/ \
     && rm -rf clangd_18.1.3 clangd.zip
 
+# Install CMake
+RUN curl -L https://cmake.org/download/#:~:text=cmake%2D3.31.1%2Dlinux%2Dx86_64.tar.gz -o cmake.tar.gz \
+    && tar -xzf cmake.tar.gz \
+    && cp -r cmake-3.31.1-linux-x86_64/bin/* /usr/local/bin/ \
+    && cp -r cmake-3.31.1-linux-x86_64/share/* /usr/local/share/ \
+    && rm -rf cmake-3.31.1-linux-x86_64 cmake.tar.gz
+
 # Add yank script
 COPY --chown=root:root <<-"EOF" /usr/local/bin/yank
 #!/bin/bash