Add icu-dev and icu-data-full to make sure we have all the locales installed (#774)

* Add icu-dev and icu-data-full to make sure we have all the locales installed.

* Make changes to include locale tools and sources to test-deps image only.

Author: JamesWTruher

release/7-4/alpine317/test-deps/docker/Dockerfile

@@ -21,6 +21,8 @@ RUN apk add --no-cache --virtual .pipeline-deps readline linux-pam \
         curl \
         git \
         unzip \
+        musl \
+        musl-locales \
         nodejs \
     && apk update \
     && apk upgrade \