Lk phone numbers update get (#1179)

* Adding get and update apis for livekit phone numbers

* generated protobuf

* Forcing a recompile

* Checking in changeset

* Using rule id instead of dispatchruleinfo struct for PurchasedPhoneNumber

* generated protobuf

* Removing unused import

* generated protobuf

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Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

Author: nishadmusthafa

.changeset/heavy-dodos-act.md

@@ -0,0 +1,5 @@
+---
+"github.com/livekit/protocol": patch
+---
+
+Adding get and update apis for livekit phone numbers