feat(KNO-9338): add branch configuration options

[mattmikolay]

Description

This PR updates our client SDK and React SDK to support specifying a branch.

Checklist

• Tests have been added for new features or major refactors to existing features.

Screenshots or videos

** Attach any screenshots or recordings to visually illustrate the changes, as necessary. Delete if not relevant. **

[linear]

KNO-9338 [JavaScript SDKs] Add support for X-Knock-Branch header to JS SDKs

[changeset-bot]

🦋 Changeset detected

Latest commit: ff7f174

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

This PR includes changesets to release 13 packages

Name	Type
@knocklabs/react-core	Patch
@knocklabs/client	Patch
@knocklabs/expo	Patch
@knocklabs/react-native	Patch
@knocklabs/react	Patch
client-example	Patch
guide-example	Patch
@knocklabs/expo-example	Patch
ms-teams-connect-example	Patch
nextjs-app-dir-example	Patch
nextjs-example	Patch
slack-connect-example	Patch
slack-kit-example	Patch

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[mattmikolay]

• feat(KNO-9338): add branch configuration options #696 👈 (View in Graphite)
• main

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Name	Status	Preview	Comments	Updated (UTC)
javascript-ms-teams-connect-example	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 8, 2025 2:47pm
javascript-nextjs-example	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 8, 2025 2:47pm
javascript-slack-connect-example	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 8, 2025 2:47pm
javascript-slack-kit-example	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 8, 2025 2:47pm

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 63.34%. Comparing base (83fb9f0) to head (ff7f174).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #696      +/-   ##
==========================================
+ Coverage   63.29%   63.34%   +0.05%     
==========================================
  Files         181      181              
  Lines        7211     7221      +10     
  Branches      851      851              
==========================================
+ Hits         4564     4574      +10     
  Misses       2621     2621              
  Partials       26       26              

Files with missing lines	Coverage Δ
packages/client/src/api.ts	100.00% <100.00%> (ø)
packages/client/src/knock.ts	100.00% <100.00%> (ø)
...ct-core/src/modules/core/context/KnockProvider.tsx	95.55% <100.00%> (+0.20%)	⬆️
.../modules/core/hooks/useAuthenticatedKnockClient.ts	100.00% <100.00%> (ø)