Update rust version for iml-warp-drive
Update version from 1.38 to 1.39.
-FROM rust:1.38 as builder
+FROM rust:1.39 as builder
WORKDIR /build
COPY . .
RUN cargo build -p iml-warp-drive --release
-FROM rust:1.38
+FROM rust:1.39
COPY --from=builder /build/target/release/iml-warp-drive /usr/local/bin
RUN apt-get update \
&& apt install -y postgresql-client
