Add requires to ce-oem-gpio check-slots job (BugFix)

[baconYao]

Description

Improve the requires of ce-oem-gpio/check-slots job

Resolved issues

[OEMQA-4418]

Documentation

Tests

Sideload results

• Skip if image is not Ubuntu Core: https://certification.canonical.com/hardware/202404-33953/submission/371621/test-results/?term=ce-oem-gpio%2Fcheck-slots
• Skip if manifest definition not True: https://certification.canonical.com/hardware/202404-33953/submission/371656/test-results/?term=ce-oem-gpio%2Fcheck-slots

[stanley31huang]

@baconYao I think we need to apply those "require condition" into following jobs as well.

    ce-oem-gpio-gadget-slots
    ce-oem-gpio/node-export-test