Disable emojis and animated output in CI

Makes for cleaner logs.

See: https://docs.travis-ci.com/user/environment-variables/
See: https://man.sr.ht/builds.sr.ht/manifest.md

.build.yml

@@ -19,3 +19,6 @@ tasks:
   - test: |
       cd dspace-statistics-api
       pipenv run pytest
+environment:
+  PIPENV_NOSPIN: 'True'
+  PIPENV_HIDE_EMOJIS: 'True'

.travis.yml

@@ -16,5 +16,8 @@ install:
   - "pip install pipenv --upgrade-strategy=only-if-needed"
   - "pipenv install --dev"
 script: pytest
+env:
+  - PIPENV_NOSPIN=True
+  - PIPENV_HIDE_EMOJIS=True
 
 # vim: ts=2 sw=2 et