fix(ci): Remove Python 3.8 and unify dev dependencies

- Removing Python 3.8 from test matrix (package requires >=3.9).
- Updating quality.yml to use \pip install .[dev]\ for version consistency.

Author: ak-rahul

.github/workflows/quality.yml

@@ -16,7 +16,8 @@ jobs:
 
     - name: Install dependencies
       run: |
-        pip install black flake8 isort mypy
+        python -m pip install --upgrade pip
+        pip install ".[dev]"
 
     - name: Check formatting (black)
       run: black --check optimization_benchmarks tests

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3