Auto merge of #26926 - MDeiml:referrer-26570, r=jdm

Make url for "client" referrer mandatory

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I added a url attribute to `Referrer::Client` so that the referrer header can be set accordingly when fetching.

`Referrer::Client` has to be kept separate from `Referrer::ReferrerUrl` as they differ in this method
6b0d9afd6f/components/script/dom/request.rs (L566-L576)

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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #26570 (GitHub issue number if applicable)

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- [ ] There are tests for these changes OR
- [ ] These changes do not require tests because ___

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Cargo.lock

@@ -6405,6 +6405,7 @@ dependencies = [
  "keyboard-types",
  "log",
  "msg",
+ "net_traits",
  "pixels",
  "script_traits",
  "serde",