Quote values for ingress annotations as discussed in #483 (#497)
Quote all values for Ingress annotations as discussed in https://gitea.com/gitea/helm-chart/issues/483
Annotations are currently not quoted, and can not be set to non-string values using the _--set_ with _helm_ (see examples in issue).
Annotations for ingress-nginx MUST be quoted: https://github.com/kubernetes/ingress-nginx/blob/main/docs/user-guide/nginx-configuration/annotations.md#annotations
```
!!! tip Annotation keys and values can only be strings. Other types, such as boolean or numeric values must be quoted, i.e. "true", "false", "100".
```
Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/497
Reviewed-by: pat-s <pat-s@noreply.gitea.com>
Co-authored-by: tobiasbp <tobiasbp@noreply.gitea.com>
Co-committed-by: tobiasbp <tobiasbp@noreply.gitea.com>
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