fix Dockerfile

Author: sam0x17

Dockerfile

@@ -15,7 +15,7 @@ LABEL ai.opentensor.image.authors="[email protected]" \
 # Set up Rust environment
 ENV RUST_BACKTRACE=1
 RUN apt-get update && \
-  apt-get install -y curl build-essential protobuf-compiler clang git && \
+  apt-get install -y curl build-essential protobuf-compiler clang git pkg-config libssl-dev && \
   rm -rf /var/lib/apt/lists/*
 
 RUN set -o pipefail && curl https://sh.rustup.rs -sSf | sh -s -- -y