fix irsa support

package.json

@@ -28,7 +28,8 @@
     "@actions/exec": "^1.0.1",
     "@actions/io": "^1.1.0",
     "@aws-sdk/client-s3": "^3.51.0",
-    "@aws-sdk/types": "^3.50.0"
+    "@aws-sdk/types": "^3.50.0",
+    "@aws-sdk/credential-providers": "^3.50.0"
   },
   "devDependencies": {
     "@types/jest": "^27.4.0",

src/utils/actionUtils.ts

@@ -1,8 +1,7 @@
 import * as core from "@actions/core";
-
 import { Inputs, Outputs, RefKey, State } from "../constants";
-
-import {CommonPrefix, InputSerialization, S3ClientConfig} from "@aws-sdk/client-s3";
+import { CommonPrefix, InputSerialization, S3ClientConfig } from "@aws-sdk/client-s3";
+import { fromTokenFile } from "@aws-sdk/credential-providers";
 
 export function isGhes(): boolean {
     const ghUrl = new URL(
@@ -87,7 +86,11 @@ export function getInputS3ClientConfig(): S3ClientConfig | undefined {
           accessKeyId: core.getInput(Inputs.AWSAccessKeyId),
           secretAccessKey: core.getInput(Inputs.AWSSecretAccessKey)
         }
-    } : null
+    } : {
+       credentials: {
+         fromTokenFile({})
+       }
+    }
     const s3config = {
         ...credentials,
         region: core.getInput(Inputs.AWSRegion),