Bump docker/library/rust from 1.82 to 1.85

Bumps [docker/library/rust](https://github.com/rust-lang/docker-rust) from 1.82 to 1.85.
- [Commits](https://github.com/rust-lang/docker-rust/commits)

---
updated-dependencies:
- dependency-name: docker/library/rust
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Dockerfile

@@ -13,7 +13,7 @@
 # permissions and limitations under the License.
 
 # Stage 1: Build the cp-utility binary
-FROM public.ecr.aws/docker/library/rust:1.82 as builder
+FROM public.ecr.aws/docker/library/rust:1.85 as builder
 
 WORKDIR /usr/src/cp-utility
 COPY ./tools/cp-utility .