Update GitHub workflows and add support for python 3.12

Author: SimoneGasperini

.github/workflows/python-package.yml

@@ -1,44 +1,47 @@
-name: lint+test package
+name: Lint & Test package
 
 on:
   push:
     branches: ["master"]
   pull_request:
     branches: ["master"]
+  workflow_dispatch:
 
 jobs:
-  build:
 
-    runs-on: ubuntu-latest
+  lint-test:
+
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
-
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
+  
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
-    - name: Set up Node.js 20
-      uses: actions/setup-node@v3
-      with:
-        node-version: 20
+      uses: actions/checkout@v4
+
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v3
       with:
         python-version: ${{ matrix.python-version }}
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install -r requirements.txt
-        python -m pip install .
+        python -m pip install --upgrade .
+
     - name: Lint with pylint
       run: |
-        pylint src/ tests/
+        python -m pylint src/ tests/
+
     - name: Test with pytest
       run: |
-        pytest -v --cov=qiskit_symb
+        python -m pytest -v --cov=qiskit_symb
+
     - name: Coveralls
       env:
         COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      run: coveralls --service=github
+      run: python -m coveralls --service=github

.github/workflows/python-publish.yml

@@ -1,26 +1,32 @@
-name: publish package
+name: Publish package PyPI
 
 on:
   release:
     types: [published]
+  workflow_dispatch:
 
 jobs:
+
   deploy:
 
     runs-on: ubuntu-latest
-
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up Python
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Setup Python
       uses: actions/setup-python@v3
       with:
-        python-version: "3.8"
+        python-version: "3.12"
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install build
+        python -m pip install build
+
     - name: Build package
       run: python -m build
+
     - name: Publish package
       uses: pypa/gh-action-pypi-publish@27b31702a0e7fc50959f5ad993c78deac1bdfc29
       with: