chore: update changelog for v0.50.4

.changelog/v0.50.3/summary.md

@@ -4,5 +4,5 @@
     If you don't change this message, or if this file is empty, the release
     will not be created. -->
 
-Upgrade Oraichain mainnet to v0.50.3 to fix cometbft vulnarabilty, gasless contract and set metadata tokenfactory bindings bug. 
+Upgrade Oraichain mainnet to v0.50.3 to fix gasless contract and set metadata tokenfactory bindings bug. 
 Otherwise, v0.50.3 also supports interchain tests.

.changelog/v0.50.4/improvements/65-disable-tokenfactory-force-transfer-capability.md

@@ -0,0 +1,2 @@
+- Disable token-factory force transfer capability
+  ([\#65](https://github.com/oraichain/wasmd/pull/65))

.changelog/v0.50.4/improvements/66-increase-wasm-size.md

@@ -0,0 +1,2 @@
+- Increase wasm file size to 1MB
+  ([\#66](https://github.com/oraichain/wasmd/pull/66))

.changelog/v0.50.4/summary.md

@@ -0,0 +1,6 @@
+<!--
+    Add a summary for the release here.
+
+    If you don't change this message, or if this file is empty, the release
+    will not be created. -->
+Upgrade Oraichain mainnet to v0.50.4 to implement some features such as increasing wasm file size of smart contract, disabling force-transfer capability of tokenfactory module. 

CHANGELOG_ORAI.md

@@ -1,5 +1,21 @@
 # CHANGELOG
 
+## v0.50.4
+
+<!--
+    Add a summary for the release here.
+
+    If you don't change this message, or if this file is empty, the release
+    will not be created. -->
+Upgrade Oraichain mainnet to v0.50.4 to implement some features such as increasing wasm file size of smart contract, disabling force-transfer capability of tokenfactory module. 
+
+### IMPROVEMENTS
+
+- Disable token-factory force transfer capability
+  ([\#65](https://github.com/oraichain/wasmd/pull/65))
+- Increase wasm file size to 1MB
+  ([\#66](https://github.com/oraichain/wasmd/pull/66))
+
 ## v0.50.3
 
 <!--