Enable ap-southeast in browser commands

[tnsardesai]

Summary

• update the Go SDK dependency to v0.95.0
• accept ap-southeast for browser and browser-pool create/list commands
• update command help, documentation, and region tests
• adapt to the latest managed-auth and telemetry SDK types without changing behavior

Test plan

• make test
• make build

---

Note

Low Risk
Mostly documentation, validation, and SDK alignment; region and telemetry/auth display changes are additive or equivalent mappings.

Overview
Adds ap-southeast as a supported --region value for browser sessions and browser pools (list/create), wired through availableRegions() / parseRegionFlag, Cobra help text, and the README. Region tests now exercise ap-southeast against the new SDK enum constants.

Bumps github.com/kernel/kernel-go-sdk from v0.92.0 to v0.95.0 and adapts to type changes without intended behavior shifts: managed-auth field display maps replace-existing from Reason == "rejected" instead of ReplaceExisting, and enabling control telemetry uses BrowserTelemetryControlConfigParam rather than the generic category param.

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[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	golang/​github.com/​kernel/​kernel-go-sdk@​v0.92.0 ⏵ v0.95.0	+1

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