fix(rust-simple): upgrade rust toolchain to 1.92 to fix build failure (#4414)

Author: indurireddy-TF

examples/rust-simple/Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM rust:1.71.0 as builder
+FROM rust:1.92.0 as builder
 RUN useradd -m build
 RUN apt update && apt install -y protobuf-compiler