build: install requirements from tutor root

.github/workflows/kubeconform-validation.yml

@@ -31,7 +31,7 @@ jobs:
           export TUTOR_PLUGINS=$TUTOR_ROOT/plugins
       - name: Install python reqs
         run: |
-          pip install -r ./.github/environments/requirements.txt
+          pip install -r $TUTOR_ROOT/requirements.txt
           pip install -e .
       - name: Tutor config save
         run: tutor config save