fix: ignore failures on writeToCache

[orgads]

The cache is not mandatory. No reason to abort when it fails.

This can happen when node_modules is not writable for example.

Description

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• It's really useful if your PR references an issue where it is discussed ahead of time. If the feature is substantial or introduces breaking changes without a discussion, PR might be closed.
• Ideally, include a test that fails without this PR but passes with it.
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Tests

• Run the tests with pnpm test:ci.

[orgads]

This change together with vitejs/vite#19952 allows running tests in docker, when running as a different user than the one used in the image (usually root or node, with uid 1000).

[hi-ogawa]

This change together with vitejs/vite#19952 allows running tests in docker, when running as a different user than the one used in the image (usually root or node, with uid 1000).

I think this should be possible today with vitest --configLoader runner and custom cacheDir https://stackblitz.com/edit/vitest-dev-vitest-t9e1fblp?file=vite.config.ts