feat: update middleware getLoadContext approach

[brophdawg11]

POC PR for #13331

[changeset-bot]

🦋 Changeset detected

Latest commit: f18bf9e

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

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[github-actions]

Alpha release created: 0.0.0-experimental-2a6c7bc

⚠️ Note: This release was created from the HEAD of this branch so it may contain commits that have landed in dev but have not been released yet depending on when this branch was created. You can run the following command to see the commits that may not have been released yet:

git log --pretty=oneline [email protected]

[github-actions]

🤖 Hello there,

We just published version 7.8.0-pre.0 which includes this pull request. If you'd like to take it for a test run please try it out and let us know what you think!

Thanks!

[github-actions]

🤖 Hello there,

We just published version 7.8.0 which includes this pull request. If you'd like to take it for a test run please try it out and let us know what you think!

Thanks!