Upgrade ophan tracker canary

[jonflynng]

What changed

• Uses @guardian/ophan-tracker-js 0.0.0-canary-20260622142809.
• Initialises the unified tracker entry point with init('ng').
• Keeps Apps fallback tracker shape aligned with the canary API.

Verification

• fnm exec --using 24 pnpm tsc --pretty false
• fnm exec --using 24 pnpm test -- --runInBand src/components/YoutubeAtom
• Confirmed no sendInitialEvent() calls in this consumer, avoiding an immediate duplicate page-view send after init().

[github-actions]

Deploy build 28384 of dotcom:rendering-all to CODE

All deployment options

• Deploy build 28384 of dotcom:rendering-all to CODE
• Deploy parts of build 28384 to CODE by previewing it first
• What's on CODE right now?

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From guardian/actions-riff-raff.