Update poetry dependencies (#186)

* Update poetry dependencies

`build` step on CircleCI fails otherwise.

* 🤷

* Use Poetry --no-ansi flag

---------

Co-authored-by: Anthony Johnson <[email protected]>

Author: humitos

.circleci/config.yml

@@ -30,7 +30,7 @@ commands:
               exit 1
             fi
       - run: pip install poetry
-      - run: poetry install
+      - run: poetry --no-ansi install
       - run: poetry run pelican content -s publishconf.py
       - run: npx html-validate --formatter codeframe output/
   run-publish: