Fixed prettier issues

Author: ThomasJejkal

src/main.ts

@@ -1,13 +1,14 @@
 import * as core from '@actions/core'
 //import { diffString } from 'json-diff'
-import Ajv from 'ajv/dist/2020'
+import Ajv from 'ajv'
 import * as fs from 'fs'
 
 export async function run(): Promise<void> {
   try {
     const schemaPath: string = core.getInput('schemaPath')
     const validate: boolean = core.getBooleanInput('validate')
     const diff: boolean = core.getBooleanInput('createDiff')
+    // @ts-expect-error Construction works
     const ajv = new Ajv()
 
     let message: string =