Backport missing to main

[chennes]

This cherry-picks a number of missing commits whose backport failed.

[Copilot]

Pull request overview

This PR backports cache-generation and validation updates into the Addon Manager, along with the package release metadata update.

Changes:

• Updates package version/date to 2026.5.13.
• Adds icon validation, macro logging/error aggregation, PNG iCCP detection, and git hash/tag capture for cache generation.
• Updates and adds tests for cache generation, icon analysis, and FreeCAD logging behavior.

Reviewed changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
package.xml	Updates release version and date.
MacroCacheCreator.py	Captures macro warnings/errors, validates icon data, handles XPM icons, and initializes Qt for icon checks.
AddonManagerTest/gui/test_icon_utilities.py	Adds PNG chunk/iCCP tests.
AddonManagerTest/app/test_macro_cache_creator.py	Adds macro error logging tests.
AddonManagerTest/app/test_freecad_interface.py	Updates logging tests to assert named logger output.
AddonManagerTest/app/test_addon_catalog_cache_creator.py	Updates cache writer tests for instance directory naming and SVG icon data.
addonmanager_macro_parser.py	Defaults missing macro licenses and improves license log messages.
addonmanager_icon_utilities.py	Adds PNG chunk parsing and duplicate iCCP detection.
addonmanager_freecad_interface.py	Routes fallback console logging through the addonmanager logger.
AddonCatalogCacheCreator.py	Adds git info capture, directory-name sanitization, and icon validation before embedding cache icons.
AddonCatalog.py	Adds generated git hash/tag fields and catalog mutation helper.

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