fix TLS wildcard parsing

[luclu]

The asterisk used in wildcard TLS domain names will cause the following parsing error: error converting YAML to JSON: yaml: line 16: did not find expected alphabetic or numeric character

This PR fixes the parsing error by dynamically quoting the input.

Please feel free to get acquainted with this issue and the fix by looking at the following links:

• https://stackoverflow.com/questions/71170639/error-converting-yaml-to-json-yaml-line-15-did-not-find-expected-alphabetic-o
• https://github.com/k8s-at-home/library-charts/blob/main/charts/stable/common/templates/classes/_ingress.tpl