ci: enforce yarn run

Author: sgratzl

package.json

@@ -35,23 +35,23 @@
   "types": "./lib/index.d.ts",
   "scripts": {
     "clean": "rimraf dist build lib upsetjs_jupyter_widget/labextension \"upsetjs_jupyter_widget/nbextension/static/index*\"",
-    "build": "yarn build:lib && yarn build:nbextension",
+    "build": "yarn run build:lib && yarn run build:nbextension",
     "build:labextension": "mkdirp upsetjs_jupyter_widget/labextension && cd upsetjs_jupyter_widget/labextension && npm pack ../..",
-    "build:lib": "yarn clean && tsc -p tsconfig.build.json",
+    "build:lib": "yarn run clean && tsc -p tsconfig.build.json",
     "build:nbextension": "webpack --mode production",
-    "build:all": "yarn build:lib && yarn build:labextension && yarn build:nbextension",
+    "build:all": "yarn run build:lib && yarn run build:labextension && yarn run build:nbextension",
     "build:p": "python setup.py clean sdist bdist_wheel",
-    "_prepack": "yarn build:lib",
-    "lint": "yarn eslint && yarn prettier:check",
-    "fix": "yarn eslint:fix && yarn prettier:write",
+    "_prepack": "yarn run build:lib",
+    "lint": "yarn run eslint && yarn run prettier:check",
+    "fix": "yarn run eslint:fix && yarn run prettier:write",
     "prettier": "prettier \"*.{md,json,yml}\" .eslintrc.js webpack* .prettierrc.js \"{src,types,scripts,.github}/**\" \"{r_package,binder}/*.yml\"",
-    "prettier:write": "yarn prettier -- --write",
-    "prettier:check": "yarn prettier -- --check",
+    "prettier:write": "yarn run prettier -- --write",
+    "prettier:check": "yarn run prettier -- --check",
     "black": "black --target-version=py37 upsetjs_jupyter_widget setup.py setupbase.py",
     "eslint": "eslint src --ext .ts,.tsx",
-    "eslint:fix": "yarn eslint -- --fix",
-    "lint:p": "mypy -p upsetjs_jupyter_widget && yarn black -- --check && pylint upsetjs_jupyter_widget",
-    "fix:p": "yarn black",
+    "eslint:fix": "yarn run eslint -- --fix",
+    "lint:p": "mypy -p upsetjs_jupyter_widget && yarn run black -- --check && pylint upsetjs_jupyter_widget",
+    "fix:p": "yarn run black",
     "test:p": "pytest",
     "test:p:ci": "pytest --doctest-modules --junitxml=junit/test-results.xml --cov=com --cov-report=xml --cov-report=html",
     "nbconvert": "jupyter nbconvert examples/*.ipynb --to html",