CI: Implement containerised approach in the pull-request-management workflow

[Shivani-gslab]

Change Summary

Related Issue(s)

Fixes #

Component(s) name

arista.avd.<role-name>

Proposed changes

How to test

Checklist

User Checklist

• N/A

Repository Checklist

• My code has been rebased from devel before I start
• I have read the CONTRIBUTING document.
• My change requires a change to the documentation and documentation have been updated accordingly.
• I have updated molecule CI testing accordingly. (check the box if not applicable)

[github-actions]

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To test this pull request:

# Create virtual environment for this testing below the current directory
python -m venv test-avd-pr-4870
# Activate the virtual environment
source test-avd-pr-4870/bin/activate
# Install all requirements including PyAVD
pip install "pyavd[ansible] @ git+https://github.com/Shivani-gslab/avd.git@github_ci_container#subdirectory=python-avd" --force
# Point Ansible collections path to the Python virtual environment
export ANSIBLE_COLLECTIONS_PATH=$VIRTUAL_ENV/ansible_collections
# Install Ansible collection
ansible-galaxy collection install git+https://github.com/Shivani-gslab/avd.git#/ansible_collections/arista/avd/,github_ci_container --force
# Optional: Install AVD examples
cd test-avd-pr-4870
ansible-playbook arista.avd.install_examples

[github-actions]

This pull request has conflicts, please resolve those before we can evaluate the pull request.

[github-actions]

Conflicts have been resolved. A maintainer will review the pull request shortly.