Fix requirements path (#216)

Author: rogebrd

.github/workflows/spec_update.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Install Requirements
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements-dev.txt
+          pip install -r generator/requirements-dev.txt
       - name: Update Modules
         run: |
           git submodule init