Feat: Using the new library and adding tag filtering

[mrstatic23]

• The lookup module now uses the new SDK
• Added filtering of secrets by tags
• Update REAMDE

[mrstatic23]

@DanielHougaard
I updated my fork to the current main branch, but I left some changes I made:

• in the get_all_secrets function I added a filter by tags
• the result returned by get_all_secrets is a list in a list, because if a list is specified and a single value is returned from the repository, the list of dictionaries becomes just a dictionary, which can cause unexpected errors when using the items2dict filter in Ansible.

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