fix(rpc): Fix GasPrice calculation with relation to MinGasPrice (e…

…vmos#1138)

* fix gasPrice minGasPrice comparison

* update changelog

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

CHANGELOG.md

@@ -53,6 +53,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ### Bug Fixes
 
 * (evm) [tharsis#1118](https://github.com/evmos/ethermint/pull/1118) Fix `Type()` `Account` method `EmptyCodeHash` comparison
+* (rpc) [tharsis#1138](https://github.com/evmos/ethermint/pull/1138) Fix GasPrice calculation with relation to `MinGasPrice`
 
 ## [v0.16.0] - 2022-06-06