Adjust workflows to reflect new directory structure

Author: fridex

.github/workflows/ci.yml

@@ -22,13 +22,11 @@ jobs:
           python -m pip install --upgrade pip
       - name: Install MLCube
         run: |
-          cd mlcube
           pip install -r requirements.txt
           python setup.py sdist bdist_wheel
           pip install dist/mlcube*.whl
       - name: Test MLCube CLI
         run: |
-          cd mlcube
           pytest
       - name: Install MLCube Docker Runner
         run: |
@@ -73,4 +71,4 @@ jobs:
       - name: Test MLCube GCP CLI
         run: |
           cd runners/mlcube_gcp
-          pytest
+          pytest