message: Add locale env vars to build image
diff: @@ -142,7 +142,9 @@ ENV PATH=/opt/cargo/bin:/opt/nodejs/bin:$PATH \
  CARGO_INCREMENTAL=0 \
  RUSTDOCFLAGS="-D warnings" \
  RUSTFLAGS="-D warnings" \
  - SMITHY_RS_DOCKER_BUILD_IMAGE=1
  + SMITHY_RS_DOCKER_BUILD_IMAGE=1 \
  + LANG=en_US.UTF-8 \
  + LC_ALL=en_US.UTF-8
  RUN npm install -g diff2html-cli@5.1.11
  WORKDIR /home/build
  COPY ci-build/scripts/sanity-test /home/build/sanity-test
  