chore(changeset): expand ConfigureSSO Select Provider entry for Phase 2

Notes the flow-context extensions, deriveInitialStep helper, and the
createConnection-on-Continue behavior so the published changelog
matches what the PR actually ships.

Author: iagodahlem

.changeset/configure-sso-select-provider-step.md

@@ -6,3 +6,5 @@
 ---
 
 Implement the provider selection step of `<__experimental_ConfigureSSO />`. Renders the two SAML provider tiles (Okta Workforce and Custom SAML Provider) with real icons sourced from `img.clerk.com`, tracks the picked provider in local state, and gates `Step.Footer.Continue` on a selection. Includes a warning callout about provider lock-in and a minor `Step.Header` alignment tweak. All user-visible strings are wired through `@clerk/localizations`, with translations for every supported locale.
+
+Also extends the flow context with `provider`, `setProvider`, `clearProvider`, and an idempotent `createConnection`, adds the `deriveInitialStep` helper, and wires the wizard's `initialStepId` so the configure flow remounts on the right step after a reload. Continue on Select Provider now creates the enterprise connection and advances to the next step.