Publish on release workflow

.github/workflows/pre-commit.yml

@@ -9,7 +9,7 @@ jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
       with:
         python-version: '3.11'

.github/workflows/publish-on-release.yml

@@ -0,0 +1,51 @@
+name: Publish Release
+on:
+  release:
+
+jobs:
+  build:
+    name: Build distribution
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.11'
+
+    - name: Install build tool
+      run: python -m pip install build --user
+
+    - name: Build distribution packages
+      run: python -m build
+
+    - name: Store the distribution packages
+      uses: actions/upload-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
+
+  publish-to-pypi:
+    name: Upload release to PyPI
+
+    needs:
+      - build
+
+    runs-on: ubuntu-latest
+    environment:
+      name: release
+      url: https://pypi.org/p/bqskit
+
+    permissions:
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
+
+    steps:
+    - name: Download all the dists
+      uses: actions/download-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
+
+    - name: Publish package distributions to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+

.github/workflows/tests.yml

@@ -15,8 +15,8 @@ jobs:
 
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}