Update poetry installer in gitlab-ci

.gitlab-ci.yml

@@ -11,8 +11,7 @@ stages:
 # Template code for dependency install
 .install_deps:
   script:
-    - curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python3
-    - source $HOME/.poetry/env
+    - poetry --version || curl -sSL https://install.python-poetry.org | python3 -
     - ls poetry.lock || poetry lock
     - poetry install -v --remove-untracked
 

pyproject.toml

 [tool.poetry]
     name = "netatmoqc"
-    version = "0.4.0.beta-2"
+    version = "0.4.0.beta-3"
     description = "Use machine learning clustering methods to perform quality control over NetAtmo data"
     authors = [
         "Paulo V. C. Medeiros <paulo.medeiros@smhi.se>"