Update libs/cardano-ledger-core/CHANGELOG.md

Co-authored-by: teodanciu <teodora.danciu@tweag.io>

Author: Soupstraw

libs/cardano-ledger-core/CHANGELOG.md

@@ -4,6 +4,9 @@
 
 * Add `fromStrictMaybeL`, `toStrictMaybeL`
 * Add `memoRawTypeL`
+* Remove `getterMemoRawType`
+* Add `EncCBOR` instance for `MemoBytes`
+* Add `TxLevel`, `EraTxLevel`, `HasEraTxLevel` 
 * Remove the `UMap` module and the `umap` benchmarks cabal target.
 * Export `dRepToText`
 * Deprecated `bheader` and `bbody`