Merge branch 'release' into 'main'

bump version

See merge request !110

.gitlab-ci.yml

 include:
-  - remote: https://gitlab.esrf.fr/workflow/ewoks/ewoksci/raw/main/.gitlab-ci-template.yml
+  - project: workflow/ewoks/ewoksci
+    file: .gitlab-ci-template.yml
 
 flake8_nb:
   extends: .flake8_nb

CHANGELOG.rst

 Change Log
 ==========
 
+0.4.0: 12/03/2022
+-----------------
+
+* Refactor and fix bug for production at BM23
 
 0.3.0: 12/04/2021
 -----------------

src/est/__init__.py

-__version__ = "0.4.0-alpha.1"
+__version__ = "0.4.0"