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59b03130 - Update build node version and bump NextJS version in test app (#4486)

Update build node version and bump NextJS version in test app (#4486) * pin pkgr/utils for now a sub dep of eslint-config-next pulls in a execa version that isnt compatible with our node version in circleci. Until we upgrade the node version and fix the numberfield tests, this fixes the build * update nextjs version and node version on circleci also fixes tests to match browser behavior * fix tests * fix new batch of failing tests --------- Co-authored-by: Robert Snow <rsnow@adobe.com>