Bug/fix test attitude setpoint test

[LorenzzoQM]

Description

Closes #335
Relax TestAttitudeSetpoint test tolerance to avoid eventual failures due to random initial conditions.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

How should this pull request be reviewed?

• By commit
• All changes at once

How Has This Been Tested?

Tests passed (multiple times).

Checklist

• I have performed a self-review of my code
• I have commented my code in hard-to-understand areas
• I have made corresponding changes to the documentation and release notes
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works

[Copilot]

Pull request overview

This PR addresses intermittent failures in the TestAttitudeSetpoint integration test caused by randomized initial conditions, aiming to make the test more robust and less flaky.

Changes:

• Repeat TestAttitudeSetpoint multiple times to exercise randomized initial conditions.
• Adjust the attitude setpoint action configuration and relax the assertion tolerance.
• Document the test robustness change in the development release notes.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
tests/integration/act/test_int_actions_continuous.py	Makes TestAttitudeSetpoint more robust by repeating runs, adjusting control_period, and loosening the comparison tolerance.
docs/source/release_notes.rst	Adds a release note entry describing the test tolerance relaxation.

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[Mark2000]

Thanks, looks good.