Adds confidential ledger team members to codeowners (Azure#49703)

* adds Andrea, Ivar and Vincenzo as additional confidential ledger codeowners (from the same team)

* remove vince whilst he is OOF as his account needs chnages

Author: ivarprudnikov

.github/CODEOWNERS

@@ -369,10 +369,10 @@
 # ServiceOwners:                                                   @TravisCragg-MSFT @hilaryw29
 
 # PRLabel: %Confidential Ledger
-/sdk/confidentialledger/                                           @christothes @PallabPaul @amruthashree18
+/sdk/confidentialledger/                                           @christothes @PallabPaul @amruthashree18 @andpiccione @ivarprudnikov
 
 # ServiceLabel: %Confidential Ledger
-# ServiceOwners:                                                   @PallabPaul @amruthashree18
+# ServiceOwners:                                                   @PallabPaul @amruthashree18 @andpiccione @ivarprudnikov
 
 # ServiceLabel: %Consumption - Billing
 # ServiceOwners:                                                   @ccmbpxpcrew