Fix typo in role

Author: amandalund

.github/workflows/benchmark.yml

@@ -37,17 +37,10 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Debug GitHub context
-        run: |
-          echo "repository=${{ github.repository }}"
-          echo "ref=${{ github.ref }}"
-          echo "actor=${{ github.actor }}"
-          echo "event=${{ github.event_name }}"
-
       - name: Configure AWS credentials from OIDC
         uses: aws-actions/configure-aws-credentials@v4
         with:
-          role-to-assume: arn:aws:iam::026527020864:role/GitHubActionsRole
+          role-to-assume: arn:aws:iam::026527020864:role/GithubActionsRole
           aws-region: us-east-1
 
       - name: Set up Python