chore(internal): fix devcontainers setup (#236)

Author: stainless-app[bot]

.devcontainer/Dockerfile

@@ -5,19 +5,18 @@ RUN apt-get update && apt-get install -y \
   libxkbcommon0 \
   ca-certificates \
   git \
-  golang \
   unzip \
   libc++1 \
   vim \
+  curl \
+  procps \
   && apt-get clean autoclean
 
+RUN curl -OL https://go.dev/dl/go1.24.0.linux-amd64.tar.gz && \
+  tar -C /usr/local -xzvf go1.24.0.linux-amd64.tar.gz && \
+  rm go1.24.0.linux-amd64.tar.gz
+ENV PATH="$PATH:/usr/local/go/bin"
+
 # Ensure UTF-8 encoding
 ENV LANG=C.UTF-8
 ENV LC_ALL=C.UTF-8
-
-ENV GOPATH=/go
-ENV PATH=$GOPATH/bin:$PATH
-
-WORKDIR /workspace
-
-COPY . /workspace