Reduce byron version to correct one

aniketd · aniketd · commit 8345b1c5eab2 · 2025-05-16T13:23:43.000+05:30
diff --git a/eras/byron/ledger/impl/CHANGELOG.md b/eras/byron/ledger/impl/CHANGELOG.md
@@ -1,11 +1,8 @@
 # Revision history for `cardano-ledger-byron`
 
-## 1.3.0.0
-
-* Remove `osHelper` and `archHelper` functions.
-
 ## 1.2.0.0
 
+* Remove `osHelper` and `archHelper` functions.
 * Added `Test.Cardano.Chain.Binary.Cddl` module
 
 ### `testlib`
diff --git a/eras/byron/ledger/impl/cardano-ledger-byron.cabal b/eras/byron/ledger/impl/cardano-ledger-byron.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name: cardano-ledger-byron
-version: 1.3.0.0
+version: 1.2.0.0
 license: Apache-2.0
 maintainer: operations@iohk.io
 author: IOHK
