fix(types): add missing bun-linux-x64-${SIMD} compile target type (#26607)

## Summary

- Adds missing `bun-linux-x64-baseline` and `bun-linux-x64-modern`
compile target types
- These targets are supported by the Bun CLI but were missing from the
TypeScript type definitions

## Changes

Added `bun-linux-x64-${SIMD}` to the `CompileTarget` type union, which
expands to:
- `bun-linux-x64-baseline`
- `bun-linux-x64-modern`

## Test plan

- [x] TypeScript should now accept `target: 'bun-linux-x64-modern'`
without type errors

Closes #26247

🤖 Generated with [Claude Code](https://claude.com/claude-code)

packages/bun-types/bun.d.ts

@@ -2436,9 +2436,10 @@ declare module "bun" {
       | `bun-darwin-x64-${SIMD}`
       | `bun-linux-${Architecture}`
       | `bun-linux-${Architecture}-${Libc}`
+      | `bun-linux-x64-${SIMD}`
+      | `bun-linux-x64-${SIMD}-${Libc}`
       | "bun-windows-x64"
-      | `bun-windows-x64-${SIMD}`
-      | `bun-linux-x64-${SIMD}-${Libc}`;
+      | `bun-windows-x64-${SIMD}`;
   }
 
   /**