Update cosmwasm-optimize.yaml

Author: sascha1337

specs/cosmwasm/cosmwasm-optimize.yaml

@@ -4,7 +4,7 @@ command:
   docker run --rm -v "$(pwd)":/code
   --mount type=volume,source="$(basename "$(pwd)")_cache",target=/code/target
   --mount type=volume,source=registry_cache,target=/usr/local/cargo/registry
-  cosmwasm/rust-optimizer:0.12.10
+  cosmwasm/rust-optimizer:0.12.12
 tags: 
   - cosmwasm
 description: >