chore: Fix keys paths for wvg docker image (#2785)

Follow-up to #2784 
Forgot to update one dockerfile.

docker/witness-vector-generator/Dockerfile

@@ -12,7 +12,7 @@ FROM debian:bookworm-slim
 RUN apt-get update && apt-get install -y curl libpq5 ca-certificates && rm -rf /var/lib/apt/lists/*
 
 # copy finalization hints required for witness vector generation
-COPY prover/data/keys/ /prover/crates/bin/vk_setup_data_generator_server_fri/data/
+COPY prover/data/keys/ /prover/data/keys/
 
 COPY --from=builder /usr/src/zksync/prover/target/release/zksync_witness_vector_generator /usr/bin/