test: add test for type-aware linting

packages/cli/snap-tests/oxlint-typeaware/package.json

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+{}

packages/cli/snap-tests/oxlint-typeaware/snap.txt

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+> vite lint ./src
+Found 0 warnings and 0 errors.
+Finished in <variable>ms on 1 file with <variable> rules using <variable> threads.
+
+
+> echo //comment >> types.ts
+> vite lint ./src # non-type-aware linting doesn't read types.ts
+✓ cache hit, replaying
+Found 0 warnings and 0 errors.
+Finished in <variable>ms on 1 file with <variable> rules using <variable> threads.
+
+
+> vite lint --type-aware ./src
+Found 0 warnings and 0 errors.
+Finished in <variable>ms on 1 file with <variable> rules using <variable> threads.
+
+
+> echo //comment >> types.ts
+> vite lint --type-aware ./src # type-aware linting reads types.ts
+✗ cache miss: content of input 'types.ts' changed, executing
+Found 0 warnings and 0 errors.
+Finished in <variable>ms on 1 file with <variable> rules using <variable> threads.
+

packages/cli/snap-tests/oxlint-typeaware/src/index.ts

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+import type { Foo } from '../types';
+
+declare const _foo: Foo;

packages/cli/snap-tests/oxlint-typeaware/steps.json

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+{
+  "ignoredPlatforms": ["linux"],
+  "env": {
+    "VITE_DISABLE_AUTO_INSTALL": "1"
+  },
+  "commands": [
+    "vite lint ./src",
+    "echo //comment >> types.ts",
+    "vite lint ./src # non-type-aware linting doesn't read types.ts",
+
+    "vite lint --type-aware ./src",
+    "echo //comment >> types.ts",
+    "vite lint --type-aware ./src # type-aware linting reads types.ts"
+  ]
+}

packages/cli/snap-tests/oxlint-typeaware/types.ts

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+export type Foo = number;