`__unstable_*` methods renamed to `__internal_*`

All __unstable_* methods have been renamed to __internal_*. These are internal APIs not intended for public use.

@clerk/clerk-js

• __unstable__environment → __internal_environment
• __unstable__updateProps → __internal_updateProps
• __unstable__setEnvironment → __internal_setEnvironment
• __unstable__onBeforeRequest → __internal_onBeforeRequest
• __unstable__onAfterResponse → __internal_onAfterResponse
• __unstable__onBeforeSetActive → __internal_onBeforeSetActive
• __unstable__onAfterSetActive → __internal_onAfterSetActive

@clerk/nextjs

• __unstable_invokeMiddlewareOnAuthStateChange → __internal_invokeMiddlewareOnAuthStateChange

@clerk/chrome-extension

• __unstable__createClerkClient → createClerkClient (exported from @clerk/chrome-extension/background)