Update Dockerfile (#71)

Signed-off-by: antares-sw <23400824+antares-sw@users.noreply.github.com>

Author: antares-sw

Dockerfile

@@ -44,7 +44,7 @@ RUN apt-get update \
         build-essential
 
 # install poetry - respects $POETRY_VERSION & $POETRY_HOME
-RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/install-poetry.py | python -
+RUN curl -sSL https://install.python-poetry.org | python -
 
 # copy project requirement files here to ensure they will be cached.
 WORKDIR $PYSETUP_PATH