Update traefik helm chart from 10.0.0 to 10.14.1

[naris-silpakit]

What does this PR do?

Updates the default Traefik helm chart from 10.0.0 to 10.14.1.

Also fixes some whitespace in examples/observability/eks-cluster-with-amp-amg-opensearch.

More

• Yes, I have tested the PR using my local account setup (Provide any test evidence report under Additional Notes)
• Yes, I have added a new example under examples to support my PR
• Yes, I have created another PR for add-ons under add-ons repo (if applicable)
  • Traefik update aws-samples/eks-blueprints-add-ons#9
• Yes, I have updated the docs for this feature
• Yes, I ran pre-commit run -a with this PR

Note: Not all the PRs required examples and docs except a new pattern or add-on added.

For Moderators

• E2E Test successfully complete before merge?

Additional Notes

Testing notes:

• created test directory and filled main.tf file with vpc, eks cluster with traefik enabled
• ran terraform apply -auto-approve and checked that deployment completes
• connected to cluster and verified that nodes are online in kube-system namespace
• connected to Traefik dashboard and verified the page loads
  • ran kubectl port-forward -n kube-system $(kubectl get pods -n kube-system --selector "app.kubernetes.io/name=traefik" --output=name) 9000:9000
  • loaded dashboard at http://127.0.0.1:9000/dashboard/