terra/Dockerfile: update workspace optimizer

terra/Dockerfile

@@ -2,7 +2,7 @@ FROM const-gen AS const-export
 # This is a multi-stage docker file:
 #  1. The first stage builds the contracts
 #  2. The second is an empty image with only the wasm files (useful for exporting)
-FROM cosmwasm/workspace-optimizer:0.12.6@sha256:e6565a5e87c830ef3e8775a9035006b38ad0aaf0a96319158c802457b1dd1d08 AS builder
+FROM cosmwasm/workspace-optimizer:0.15.0@sha256:e1ba559282ea88cedeb67dd6dd541ad57d1b75c2fb1ce5f476d423458da91b4d AS builder
 COPY Cargo.lock /code/
 COPY Cargo.toml /code/
 COPY contracts /code/contracts
@@ -13,7 +13,7 @@ COPY README.md cert.pem* /certs/
 # Alpine
 RUN if [ -e /certs/cert.pem ]; then cp /certs/cert.pem /etc/ssl/cert.pem; fi
 
-RUN --mount=type=cache,target=/code/target,id=terra_classic_target --mount=type=cache,target=/usr/local/cargo/registry optimize_workspace.sh
+RUN --mount=type=cache,target=/code/target,id=terra_classic_target --mount=type=cache,target=/usr/local/cargo/registry optimize.sh .
 
 FROM scratch as artifacts
 COPY --from=builder /code/artifacts /