Revert "Less cache misses on cargo build."

This reverts commit 5aec4154.

Dockerfile

@@ -15,6 +15,9 @@ RUN cargo chef prepare --recipe-path recipe.json
 
 FROM chef AS builder
 
+ARG GIT_SHA
+ARG DOCKER_LABEL
+
 RUN PROTOC_ZIP=protoc-21.12-linux-x86_64.zip && \
     curl -OL https://github.com/protocolbuffers/protobuf/releases/download/v21.12/$PROTOC_ZIP && \
     unzip -o $PROTOC_ZIP -d /usr/local bin/protoc && \
@@ -24,9 +27,6 @@ RUN PROTOC_ZIP=protoc-21.12-linux-x86_64.zip && \
 COPY --from=planner /usr/src/recipe.json recipe.json
 RUN cargo chef cook --profile release-opt --recipe-path recipe.json
 
-ARG GIT_SHA
-ARG DOCKER_LABEL
-
 COPY Cargo.toml Cargo.toml
 COPY rust-toolchain.toml rust-toolchain.toml
 COPY proto proto