Fixes/4851

[Nitin75408]

Fix collections_paths from ansible.cfg being ignored (Issue #4851)
Problem
ansible-lint ignored the collections_paths setting from ansible.cfg, even though other settings were respected. The ansible-compat Runtime class would override ANSIBLE_COLLECTIONS_PATH with hardcoded defaults, ignoring user configuration.

Solution
Read collections_paths from ansible.cfg and set ANSIBLE_COLLECTIONS_PATH environment variable before Runtime initialization, ensuring proper configuration precedence.

Changes
src/ansiblelint/config.py - Added ansible_collections_paths field to Options
src/ansiblelint/ansible_config.py (NEW) - Module to read and parse ansible.cfg collections_paths
src/ansiblelint/app.py - Load ansible.cfg and set ENV VAR before Runtime creation
test/test_ansible_cfg_collections.py (NEW) - 11 test cases validating the fixF

Fixes#4851

[github-actions]

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