Replace package-lock with yarn only (#243)

* Replace package-lock with yarn only

* Fix the "skip ci" flag for CCI

Author: Wardormeur

.circleci/config.yml

@@ -139,12 +139,15 @@ jobs:
             git config --global user.email "[email protected]"
             git config --global user.name "CoderDojo Foundation"
             echo "//registry.npmjs.org/:_authToken=$NPM_TOKEN" >> ~/.npmrc
+            yarn config set version-git-message "[skip ci] Update to %s" # Skip CI or infinite loop
+            yarn config set version-git-tag false # No significations in tags
+            yarn config set version-commit-hooks false # We're after the tests 
       - run:
           name: publish to git and npm
           command: |
-            npm version patch -m "[skip ci] Update to %s"
+            yarn version --patch 
             git push
-            npm publish
+            yarn publish --non-interactive
       - run: {
         "name": "update_platform",
         "command": "sh .circleci/update_platform.sh $(node build/get-version.js) master"