ci: fix e2e workflow file

Author: necipallef

.github/workflows/e2e_test.yml

@@ -22,11 +22,11 @@ jobs:
       - name: configure AWS credentials
         uses: aws-actions/configure-aws-credentials@v4
         with:
-          role-to-assume: {{secrets.AWS_E2E_ROLE_ARN}}
-          aws-region: {{secrets.AWS_E2E_REGION}}
+          role-to-assume: ${{secrets.AWS_E2E_ROLE_ARN}}
+          aws-region: ${{secrets.AWS_E2E_REGION}}
       - name: Trigger AWS CodePipeline
         run: |
-          codepipeline_execution_id=$(aws codepipeline start-pipeline-execution --name {{secrets.AWS_E2E_CODEPIPELINE_NAME}} --query 'pipelineExecutionId' --output text)
+          codepipeline_execution_id=$(aws codepipeline start-pipeline-execution --name ${{secrets.AWS_E2E_CODEPIPELINE_NAME}} --query 'pipelineExecutionId' --output text)
           echo "Pipeline execution ID: $codepipeline_execution_id"
           echo "codepipeline_execution_id=$codepipeline_execution_id" >> $GITHUB_ENV
       - name: Poll Pipeline Status