feat(kiali): Dependency upgrades

[josunect]

Hey, I just made a Pull Request!

Deps upgrade:

• react-icons: ref. fix(deps): update dependency @patternfly/react-icons to v6 #6534
• testing library: ref. chore(deps): update testing-library monorepo (major) #6517
• supertest v7: ref. chore(deps): update dependency supertest to v7 #6514
• supertest types: ref. chore(deps): update dependency @types/supertest to v6 #6502

✔️ Checklist

• A changeset describing the change and affected packages. (more info)
• Added or updated documentation
• Tests for new functionality and regression tests for bug fixes
• Screenshots attached (for UI changes)
• All your commits have a Signed-off-by line in the message. (more info)

[backstage-goalie]

Changed Packages

Package Name	Package Path	Changeset Bump	Current Version
app	workspaces/kiali/packages/app	none	v0.0.0
@backstage-community/plugin-kiali-backend	workspaces/kiali/plugins/kiali-backend	minor	v1.27.1
@backstage-community/plugin-kiali-common	workspaces/kiali/plugins/kiali-common	minor	v0.8.0
@backstage-community/plugin-kiali-react	workspaces/kiali/plugins/kiali-react	minor	v0.5.2
@backstage-community/plugin-kiali	workspaces/kiali/plugins/kiali	minor	v1.47.0