Install cargo-hack for upcoming dev-utils (solana-labs#32234)

Author: ryoqun

ci/docker-rust/Dockerfile

@@ -32,6 +32,7 @@ RUN set -x \
  && rustup component add clippy \
  && rustup target add wasm32-unknown-unknown \
  && cargo install cargo-audit \
+ && cargo install cargo-hack \
  && cargo install cargo-sort \
  && cargo install mdbook \
  && cargo install mdbook-linkcheck \