`x as <type>` should be allowed in boolean expressions

[ad-si]

Describe the bug

dprint-plugin-typescript version: 0.91.6.wasm

Input Code

const a = testNum as number >= 0
const b = testStr as string >= 0

Expected Output

const a = testNum as number >= 0
const b = testStr as string >= 0

Actual Output

Expression expected at file:///file.ts:1:30

  const a = testNum as number >= 0
                               ~

[dsherret]

I opened swc-project/swc#9471