Debian runner container image for GitHub Actions

This is a Debian container image which can be used to run GitHub Actions that require additional dependencies installed beyond GitHub's default Ubuntu runner. It can be used as follows. Note the container declaration below.

.github/workflows/ci.yml:

# yaml-language-server: $schema=https://www.schemastore.org/github-workflow.json

---

jobs:
    linttest:
        container:
            image: ghcr.io/zc-mattcen/debian-runner:latest
        name: make lint test
        runs-on: ubuntu-22.04
        steps:
            - uses: actions/checkout@v4
            - run: |
                git config --global --add safe.directory ${{ github.workspace }}
            - name: Install Dependencies
              run: |
                make build-deps

            - name: Run tests and linters
              run: |
                make -k lint test

name: CI

# yamllint disable-line rule:truthy
on:
    pull_request:
    push: