[motion] Keyframes can't work

[YeSuX]

Describe the bug

When using an array in animation, the animation will no longer work.

Reproduction

https://stackblitz.com/edit/vitejs-vite-qfhz8t?file=src%2FDemo.vue

System Info

OS: Linux 5.0 undefined
    CPU: (8) x64 Intel(R) Core(TM) i9-9880H CPU @ 2.30GHz
    Memory: 0 Bytes / 0 Bytes
    Shell: 1.0 - /bin/jsh
  Binaries:
    Node: 18.18.0 - /usr/local/bin/node
    Yarn: 1.22.19 - /usr/local/bin/yarn
    npm: 9.4.2 - /usr/local/bin/npm
    pnpm: 8.14.0 - /usr/local/bin/pnpm

Used Package Manager

npm

Validations

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• The provided reproduction is a minimal reproducible of the bug.