build: update CI scripts

This:
1. Extracts the code linter to a separate workflow.
2. Adds commit linter.
3. Adds PyPI publishing workflow.
4. Adds scheduled Python requirements updates.

Author: Agrendalath

.github/workflows/ci.yml

@@ -44,11 +44,3 @@ jobs:
       with:
         flags: unittests
         fail_ci_if_error: true
-
-  lint:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - uses: psf/black@stable
-        with:
-          options: --check --diff

.github/workflows/commitlint.yml

@@ -0,0 +1,8 @@
+name: Lint Commit Messages
+
+on:
+  - pull_request
+
+jobs:
+  commitlint:
+    uses: openedx/.github/.github/workflows/commitlint.yml@master

.github/workflows/lint.yml

@@ -0,0 +1,17 @@
+name: Lint
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: psf/black@stable
+        with:
+          options: --check --diff

.github/workflows/pypi-publish.yml

@@ -0,0 +1,30 @@
+name: Publish package to PyPi
+
+on:
+  release:
+    types: [published]
+
+jobs:
+
+  push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: setup python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.11
+
+      - name: Install pip
+        run: pip install -r requirements/pip.txt
+
+      - name: Build package
+        run: python setup.py sdist bdist_wheel
+
+      - name: Publish to PyPi
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_UPLOAD_TOKEN }}

.github/workflows/upgrade-python-requirements.yml

@@ -0,0 +1,27 @@
+name: Upgrade Python Requirements
+
+on:
+  schedule:
+    - cron: 0 2 * * 1
+  workflow_dispatch:
+    inputs:
+      branch:
+        description: Target branch against which to create requirements PR
+        required: true
+        default: main
+
+jobs:
+  call-upgrade-python-requirements-workflow:
+    uses: openedx/.github/.github/workflows/upgrade-python-requirements.yml@master
+    with:
+      branch: ${{ github.event.inputs.branch || 'main' }}
+      # optional parameters below; fill in if you'd like github or email notifications
+      # user_reviewers: ""
+      # team_reviewers: ""
+      # email_address: ""
+      send_success_notification: false
+    secrets:
+      requirements_bot_github_token: ${{ secrets.REQUIREMENTS_BOT_GITHUB_TOKEN }}
+      requirements_bot_github_email: ${{ secrets.REQUIREMENTS_BOT_GITHUB_EMAIL }}
+      edx_smtp_username: ${{ secrets.EDX_SMTP_USERNAME }}
+      edx_smtp_password: ${{ secrets.EDX_SMTP_PASSWORD }}