Update changelog for oops

cardano-api/ChangeLog.md

@@ -36,6 +36,16 @@
   New type `BundledProtocolParameters` and new functions `bundleProtocolParams` and `unbundleProtocolParams`.
   ([PR4903](https://github.com/input-output-hk/cardano-node/pull/4903))
 
+- Introduce the `oops` library to `cardano-api` and `cardano-cli` to simplify error handling.  The following functions that make use of `oops` have been added to `Cardano.Api`.
+
+  * `determineEraExpr_`
+  * `getNtcVersion_`
+  * `handleQueryConvenienceErrors_`
+  * `maybeQueryExpr_`
+  * `queryExpr_`
+  * `queryNodeLocalState_`
+  * `queryStateForBalancedTx_`
+
 ### Bugs
 
 - Allow reading text envelopes from pipes ([PR 4384](https://github.com/input-output-hk/cardano-node/pull/4384))