Update test cleanup sweeper to always use fresh credentials (#2028)

Author: GarrettBeatty

Diff for: .github/workflows/aws-ci.yml

@@ -39,6 +39,13 @@ jobs:
         uses: aws-actions/aws-codebuild-run-build@v1
         with:
           project-name: ${{ secrets.CI_TESTING_CODE_BUILD_PROJECT_NAME }}
+      - name: Configure Test Sweeper Lambda Credentials
+        if: always()
+        uses: aws-actions/configure-aws-credentials@e3dd6a429d7300a6a4c196c26e071d42e0343502 #v4
+        with:
+          role-to-assume: ${{ steps.lambda.outputs.roleArn }}
+          role-duration-seconds: 7200
+          aws-region: us-west-2
       - name: Invoke Test Sweeper Lambda
         if: always()
         shell: pwsh
@@ -49,4 +56,3 @@ jobs:
         run: |
           $buildId = "${{ steps.codebuild.outputs.aws-build-id }}"
           echo $buildId
-