fix(ci): Enable IDF 5.3 test app run in CI for esp32p4

[peter-marcisovsky]

Description

This MR Enables IDF 5.3 test app run in CI for esp32p4, as we were waiting for the docker image of the IDF 5.3 to update.
This update in IDF 5.3 adds support for esp32p4 ECO2 flashing.

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Before submitting a Pull Request, please ensure the following:

• 🚨 This PR does not introduce breaking changes.
• All CI checks (GH Actions) pass.
• Documentation is updated as needed.
• Tests are updated or added as necessary.
• Code is well-commented, especially in complex areas.
• Git history is clean — commits are squashed to the minimum necessary.

[roma-jam]

One nitpick about artifacts, we don't need /test_app/*/build_esp*/test_app_*.elf for the pytest.
Usually, *.elf is used for debugging, so we don't need to pass it as an artifact.

[peter-marcisovsky]

@roma-jam thx for checking, we have been passing elf flies as an artifact since the very beginning. But, yes, looks like we can remove it.

[tore-espressif]

@roma-jam thx for checking, we have been passing elf flies as an artifact since the very beginning. But, yes, looks like we can remove it.

BTW, the .elf file is actually used by pytest in case there is 'abort' or similar failure. It will use the elf file to decode at which line the program aborted

[peter-marcisovsky]

@roma-jam looks like we should better leave the .elf files in the artifacts. I will revert the latest changes