fix typo oetry -> poetry in .github/workflows/main.yaml

Author: sujaypatil96

.github/workflows/main.yaml

@@ -44,7 +44,7 @@ jobs:
       #             install dependencies
       #----------------------------------------------
       - name: Install dependencies
-        run: oetry install --no-interaction --all-extras --no-root
+        run: poetry install --no-interaction --all-extras --no-root
 
       #----------------------------------------------
       #              run test suite