Add cached rate for cargo-ndk

[junhochoi]

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• [x] Is this related to the actions-rs Actions? If not, use GitHub Community forum to ask questions about Actions in a whole: https://github.community
• [x] You've read the Contributing section about feature requests: https://github.com/actions-rs/.github/blob/master/CONTRIBUTING.md#feature-requests
• [ ] Is this something you can debug and fix? Send a pull request! Bug fixes and documentation fixes are welcome.

Motivation

cargo-ndk is a useful tool for building on android for rust binary. It's used in https://github.com/cloudflare/quiche for building android targets.

Additional context

• cargo-ndk