Correct use of working directory with ansible-lint github action

[ssbarnea]

Fixes: #4232
Related: #3938

[tigattack]

What's the \n for?

It's causing the following issue for me. See that the cache-dependency-path passed to setup-python includes this \n and appears to be the reason for its failure:

2024-09-19T14:58:48.8798941Z ##[group]Run ansible/ansible-lint@main
2024-09-19T14:58:48.8799414Z with:
2024-09-19T14:58:48.8799782Z   working_directory: ansible
2024-09-19T14:58:48.8800234Z   requirements_file: ansible/requirements.yml
2024-09-19T14:58:48.8800686Z   setup_python: true
2024-09-19T14:58:48.8801086Z   expected_return_code: 0
2024-09-19T14:58:48.8801416Z env:
2024-09-19T14:58:48.8801714Z   ANSIBLE_DIR: ansible
2024-09-19T14:58:48.8802111Z ##[endgroup]
2024-09-19T14:58:48.8994286Z ##[group]Run if [[ -n "ansible" ]]; then
2024-09-19T14:58:48.8994848Z �[36;1mif [[ -n "ansible" ]]; then�[0m
2024-09-19T14:58:48.8995531Z �[36;1m  echo "working_directory=ansible" >> $GITHUB_OUTPUT�[0m
2024-09-19T14:58:48.8996001Z �[36;1melse�[0m
2024-09-19T14:58:48.8996696Z �[36;1m  echo "working_directory=/home/runner/work/Infrastructure/Infrastructure" >> $GITHUB_OUTPUT�[0m
2024-09-19T14:58:48.8997379Z �[36;1mfi�[0m
2024-09-19T14:58:48.9022776Z shell: /usr/bin/bash --noprofile --norc -e -o pipefail {0}
2024-09-19T14:58:48.9023509Z env:
2024-09-19T14:58:48.9023798Z   ANSIBLE_DIR: ansible
2024-09-19T14:58:48.9024156Z ##[endgroup]
2024-09-19T14:58:48.9137107Z ##[group]Run reqs_file=$(git rev-parse --show-toplevel)/.git/ansible-lint-requirements.txt
2024-09-19T14:58:48.9138042Z �[36;1mreqs_file=$(git rev-parse --show-toplevel)/.git/ansible-lint-requirements.txt�[0m
2024-09-19T14:58:48.9138755Z �[36;1mecho "reqs_file=$reqs_file\n" >> $GITHUB_OUTPUT�[0m
2024-09-19T14:58:48.9139735Z �[36;1mwget --output-document=$reqs_file https://raw.githubusercontent.com/ansible/ansible-lint/$GH_ACTION_REF/.config/requirements-lock.txt�[0m
2024-09-19T14:58:48.9162652Z shell: /usr/bin/bash --noprofile --norc -e -o pipefail {0}
2024-09-19T14:58:48.9163168Z env:
2024-09-19T14:58:48.9163559Z   ANSIBLE_DIR: ansible
2024-09-19T14:58:48.9163886Z   GH_ACTION_REF: main
2024-09-19T14:58:48.9164253Z ##[endgroup]
2024-09-19T14:58:48.9269413Z --2024-09-19 14:58:48--  https://raw.githubusercontent.com/ansible/ansible-lint/main/.config/requirements-lock.txt
2024-09-19T14:58:48.9326901Z Resolving raw.githubusercontent.com (raw.githubusercontent.com)... 185.199.111.133, 185.199.108.133, 185.199.109.133, ...
2024-09-19T14:58:48.9440840Z Connecting to raw.githubusercontent.com (raw.githubusercontent.com)|185.199.111.133|:443... connected.
2024-09-19T14:58:49.0746183Z HTTP request sent, awaiting response... 200 OK
2024-09-19T14:58:49.0748853Z Length: 991 [text/plain]
2024-09-19T14:58:49.0751181Z Saving to: ‘/home/runner/work/Infrastructure/Infrastructure/.git/ansible-lint-requirements.txt’
2024-09-19T14:58:49.0752331Z 
2024-09-19T14:58:49.0752685Z      0K                                                       100% 69.5M=0s
2024-09-19T14:58:49.0753203Z 
2024-09-19T14:58:49.0754447Z 2024-09-19 14:58:49 (69.5 MB/s) - ‘/home/runner/work/Infrastructure/Infrastructure/.git/ansible-lint-requirements.txt’ saved [991/991]
2024-09-19T14:58:49.0756101Z 
2024-09-19T14:58:49.0839635Z ##[group]Run actions/setup-python@v5
2024-09-19T14:58:49.0840175Z with:
2024-09-19T14:58:49.0840451Z   cache: pip
2024-09-19T14:58:49.0841147Z   cache-dependency-path: /home/runner/work/Infrastructure/Infrastructure/.git/ansible-lint-requirements.txt\n
2024-09-19T14:58:49.0841982Z   python-version: 3.11
2024-09-19T14:58:49.0842347Z   check-latest: false
2024-09-19T14:58:49.0842891Z   token: ***
2024-09-19T14:58:49.0843217Z   update-environment: true
2024-09-19T14:58:49.0843602Z   allow-prereleases: false
2024-09-19T14:58:49.0844032Z env:
2024-09-19T14:58:49.0844329Z   ANSIBLE_DIR: ansible
2024-09-19T14:58:49.0844638Z ##[endgroup]
2024-09-19T14:58:49.2516582Z ##[group]Installed versions
2024-09-19T14:58:49.2593636Z Successfully set up CPython (3.11.10)
2024-09-19T14:58:49.2596613Z ##[endgroup]
2024-09-19T14:58:49.4989609Z ##[error]No file in /home/runner/work/Infrastructure/Infrastructure matched to [/home/runner/work/Infrastructure/Infrastructure/.git/ansible-lint-requirements.txt\n or **/pyproject.toml], make sure you have checked out the target repository

[tigattack]

Solved by #4342.