update release date (#48029)

Author: ryazhang-microsoft

sdk/confidentialledger/azure-security-confidentialledger/CHANGELOG.md

@@ -1,6 +1,6 @@
 # Release History
 
-## 1.1.0-beta.2 (Unreleased)
+## 1.1.0-beta.2 (2026-02-18)
 
 ### Features Added
 
@@ -10,12 +10,6 @@
   request (ports may differ). This fixes write operations (POST) being rejected when the Confidential Ledger
   service redirects from a secondary node to the primary node.
 
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
-
 ## 1.0.34 (2026-01-29)
 
 ### Other Changes