Remove working-directories and try to make it work without them

Author: sneridagh

.github/workflows/build_deploy.yml

@@ -33,7 +33,6 @@ jobs:
       # node setup
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v1
-        working-directory: submodules/volto
         with:
           node-version: ${{ matrix.node-version }}
 
@@ -44,7 +43,6 @@ jobs:
         run: echo "::set-output name=dir::$(yarn cache dir)"
       - uses: actions/cache@v1
         id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
-        working-directory: submodules/volto
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
           key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}