Update documentation action.

.github/workflows/documentation.yml

@@ -18,14 +18,8 @@ jobs:
             - name: Test Build
               working-directory: ./website
               run: |
-                  if [ -e yarn.lock ]; then
-                    yarn install --frozen-lockfile
-                  elif [ -e package-lock.json ]; then
-                    npm ci
-                  else
-                    npm i
-                  fi
-                  npm run build
+                  yarn
+                  yarn build
     gh-release:
         if: github.event_name != 'pull_request'
         runs-on: ubuntu-latest
@@ -42,11 +36,5 @@ jobs:
               run: |
                   git config --global user.email "${{ secrets.GIT_MAIL }}"
                   git config --global user.name "${{ secrets.GIT_USER }}"
-                  if [ -e yarn.lock ]; then
-                    yarn install --frozen-lockfile
-                  elif [ -e package-lock.json ]; then
-                    npm ci
-                  else
-                    npm i
-                  fi
-                  npm run deploy
+                  yarn
+                  yarn deploy