rolling back to a single job

.github/workflows/ci.yml

@@ -7,26 +7,17 @@ on:
     branches: [ "master" ]
 
 jobs:
-  install:
+  checkup:
     runs-on: ubuntu-latest
 
-    steps:
-      - uses: actions/checkout@v3
-      - name: install dependencies
-        run: pip install .[dev]
-
-  test:
-    runs-on: ubuntu-latest
-    needs: install
     steps:
     - uses: actions/checkout@v3
+
+    - name: install dependencies
+      run: pip install .[dev]
+
     - name: Run Tests with pytest
       run: pytest ./tests
 
-  typecheck:
-    runs-on: ubuntu-latest
-    needs: install
-    steps:
-    - uses: actions/checkout@v3
     - name: Type checking with mypy
       run: mypy building_energy_storage_simulation