Fixes #16314: Type for parameters of methods in technique editor

[VinceMacBuche]

https://issues.rudder.io/issues/16314

[Normation-Quality-Assistant]

This PR breaks qa-test

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[...]
{'description': 'Name of the package to install', 'name': 'package_name', 'constraints': {'allow_whitespace_string': False, 'allow_empty_string': False, 'max_length': 16384}}

Diff is 659 characters long. Set self.maxDiff to None to see it.

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Ran 16 tests in 2.659s

FAILED (failures=1)
make: *** [Makefile:54: test-common] Error 1

You should run ./qa-test in your repository to make sure it works.
You can also run rudder-dev merge https://github.com/Normation/ncf/pull/1121 --test to test with upmerging.
After this, you can remove the qa: Can't merge ta
-- Your faithful QA (https://ci.normation.com/jenkins/job/merge-accepted-pr/17932/console)

[VinceMacBuche]

Commit modified

[Normation-Quality-Assistant]

This PR is not mergeable to upper versions.
Since it is "Ready for merge" you must merge it by yourself using the following command:
rudder-dev merge https://github.com/Normation/ncf/pull/1121
-- Your faithful QA
Kant merge: "All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason."
(https://ci.normation.com/jenkins/job/merge-accepted-pr/17938/console)

[Normation-Quality-Assistant]

This PR is not mergeable to upper versions.
Since it is "Ready for merge" you must merge it by yourself using the following command:
rudder-dev merge https://github.com/Normation/ncf/pull/1121
-- Your faithful QA
Kant merge: "Live your life as though your every act were to become a universal law."
(https://ci.normation.com/jenkins/job/merge-accepted-pr/17940/console)

[VinceMacBuche]

OK, squash merging this PR