fix cargo-audit version (#1245)

*Issue #, if available:*

*Description of changes:*
see
aws-observability/aws-otel-js-instrumentation#285

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license.

Author: ezhang6811

Dockerfile

@@ -31,7 +31,7 @@ ARG TARGETARCH
 RUN if [ $TARGETARCH = "amd64" ]; then rustup component add rustfmt && cargo fmt --check ; fi
 
 ## Audit dependencies
-RUN if [ $TARGETARCH = "amd64" ]; then cargo install cargo-audit && cargo audit ; fi
+RUN if [ $TARGETARCH = "amd64" ]; then cargo install cargo-audit --locked && cargo audit ; fi
 
 
 # Cross-compile based on the target platform.