test(e2e): Pin @shopify/remix-oxygen to unblock ci

[github-actions]

Note

The pull request "test(e2e): Pin @shopify/remix-oxygen to unblock ci" was created by @nicohrubec but did not reference an issue. Therefore this issue was created for better visibility in external tools like Linear.

The remix-hydrogen E2E test started failing, pinning for now.

[linear]

JS-1463

[github-actions]

A PR closing this issue has just been released 🚀

This issue was referenced by PR #18811, which was included in the 10.34.0 release.