Passthrough custom composer options using composer-options

[Steveb-p]

🎫 Issue	N/A

Description:

This PR allows passing additional options to composer update command.

For example:

jobs:
    tests:
        strategy:
            matrix:
                # ...
                orm:
                    - 'doctrine/orm:^2.7'
                    - 'doctrine/orm:^3'

        steps:
            # ...

            -   uses: ibexa/gh-workflows/actions/composer-install@allow-custom-composer-options
                with:
                    gh-client-id: ${{ secrets.AUTOMATION_CLIENT_ID }}
                    gh-client-secret: ${{ secrets.AUTOMATION_CLIENT_SECRET }}
                    satis-network-key: ${{ secrets.SATIS_NETWORK_KEY }}
                    satis-network-token: ${{ secrets.SATIS_NETWORK_TOKEN }}
                    composer-options: "--with ${{ matrix.orm }}"

For QA:

Documentation: