Add a workflow to do code-scanning with bandit

.github/workflows/bandit.yml

@@ -0,0 +1,58 @@
+---
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+# Bandit is a security linter designed to find common security issues in Python.
+# This action will run Bandit on your codebase.
+# The results of the scan will be found under the Security tab of your repo.
+
+# https://github.com/marketplace/actions/bandit-scan is ISC licensed,
+# by abirismyname
+# https://pypi.org/project/bandit/ is Apache v2.0 licensed, by PyCQA
+
+name: Bandit
+on:
+  push:
+    branches: ["master"]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: ["master"]
+  schedule:
+    - cron: '18 8 * * 0'
+
+jobs:
+  bandit:
+    permissions:
+      contents: read  # for actions/checkout to fetch code
+      security-events: write  # to upload SARIF results
+      actions: read  # only required for private repos to get Action run status
+
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Bandit Scan
+        uses: shundor/python-bandit-scan@9cc5aa4a006482b8a7f91134412df6772dbda22c
+        with:  # optional arguments
+          # exit with 0, even with results found
+          exit_zero: true  # optional, default is DEFAULT
+          # Github token of the repository (automatically created by Github)
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR info
+          # File or directory to run bandit on
+          # path:  # optional, default is .
+          # Report only issues of a given severity level or higher.
+          # Can be LOW, MEDIUM or HIGH. Default is UNDEFINED (everything)
+          # level:  # optional, default is UNDEFINED
+          # Report only issues of a given confidence level or higher.
+          # Can be LOW, MEDIUM or HIGH. Default is UNDEFINED (everything)
+          # confidence:  # optional, default is UNDEFINED
+          # comma-separated list of paths (glob patterns supported) to exclude
+          # from scan
+          # (note these are in addition to excluded paths provided in conffile)
+          # (default: .svn,CVS,.bzr,.hg,.git,__pycache__,.tox,.eggs,*.egg)
+          # excluded_paths:  # optional, default is DEFAULT
+          # comma-separated list of test IDs to skip
+          # skips:  # optional, default is DEFAULT
+          # path to a .bandit file that supplies command line arguments
+          # ini_path:  # optional, default is DEFAULT