Reconcile immutable fields for `Service` objects created

[wondersd]

Description:

When changes are made to fields such as loadBalancerClass, they can only be realized by deleting and recreating the Service object.

Other operators that handle these kinds of things do so with force flag so that the user knowingly opts in to this destructive behavior.

apiVersion: config.gateway.envoyproxy.io/v1alpha1
kind: EnvoyProxy
metadata:
  ...
spec:
  provider:
    type: Kubernetes
    kubernetes:
      ...
      envoyService:
        force: true # force reconciliation by delete/create

Related Issues:

#1840
#1818

[arkodg]

I like this opt in force field, thoughts @envoyproxy/gateway-maintainers ?

[arkodg]

@AliceProxy and I discussed this in the community meeting today, and we are a +1 on this approach, would like to brainstorm some more on naming of the field

[Alice-Lilith]

One suggestion about a different name for this field that could help to improve clarity about what is being configured: recreateOnImmutableEdits. Open to any other suggestions that improve clarity without being overly obtuse.