Support optional static segments and splats in href() util

[vjee]

Fixes #13055
Fixes #13166

This PR adds support for optional static segments and splats to the href() util.

Optional static segments

For optional static segments, true can be passed as param value to enable the segment. Not providing the param, or passing a falsy value ignores the segment.

href("/users/:userId/edit?", { userId: "abc123" }) // "/users/abc123"
href("/users/:userId/edit?", { userId: "abc123", edit: true }) // "/users/abc123/edit"

Splats

A splat value can be provided with a "*" param.

href("/a/*", { "*": "hello" }) // "/a/hello"
href("/a/*", { "*": "hello/world" }) // "/a/hello/world"

[changeset-bot]

🦋 Changeset detected

Latest commit: 37996f2

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 11 packages

Name	Type
@react-router/dev	Major
react-router	Major
@react-router/fs-routes	Major
@react-router/remix-routes-option-adapter	Major
@react-router/architect	Major
@react-router/cloudflare	Major
react-router-dom	Major
@react-router/express	Major
@react-router/node	Major
@react-router/serve	Major
create-react-router	Major

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[remix-cla-bot]

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[vjee]

I didn't realize the Register['params'] type was also used for loaders etc, so changing the shape of it for the href util is not a viable solution.
Therefore I closed this PR.