feat: update NetHSM api client

[nponsard]

This PR updates the NetHSM api client to the latest specification.

Changes

• Update nethsm-api.yml file
• Update /pynitrokey/nethsm/client folder
• Update api calls in /pynitrokey/nethsm/init.py

Checklist

Make sure to run make check and make fix before creating a PR, otherwise the CI will fail.

• tested with Python3.9
• signed commits
• updated documentation (e.g. parameter description, inline doc, docs.nitrokey)
• added labels

Test Environment and Execution

• OS:
• device's model:
• device's firmware version:

[nponsard]

I need to test all the functions to check if the type changed / something broke :

• add-key
• add-key-tag
• add-operator-tag
• add-user
• backup
• cancel-update
• commit-update
• csr
• decrypt
• delete-certificate
• delete-key
• delete-key-tag
• delete-operator-tag
• delete-user
• encrypt
• factory-reset
• generate-key
• generate-tls-key
• get-certificate
• get-config
• get-key
• get-user
• info
• list-keys
• list-operator-tags
• list-users
• lock
• metrics
• provision
• random
• reboot
• restore
• set-backup-passphrase
• set-certificate
• set-logging-config
• set-network-config
• set-passphrase
• set-time
• set-unattended-boot
• set-unlock-passphrase
• shutdown
• sign
• state
• system-info
• unlock
• update

[nponsard]

There's problems with the latest versions of the code generators, I'm gonna try with an older version.