Add config (path and method) for setHeaderRoute

[danielsantosdfs13]

Summary

Currently, setHeaderRoute adds a new route in the virtualService but only allows configuring a match with headerName and headerValue. It would be interesting to also allow configuring the method and path settings similar to setMirrorRoute.

Use Cases

Situations where the environment uses a common FQDN for more than one workload api.foo.local and routing is done using path /v1/bar, /v1/foo. With the current scenario, activating the setHeaderRoute will cause overlap and requests will be directed to the incorrect target.

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