rust version upgraded

deployment/docker/Dockerfile

@@ -3,7 +3,7 @@ FROM  alpine/git:2.43.0 as gitclone-build
 WORKDIR /clone
 RUN git clone https://github.com/esatus/didcomm-rust
 
-FROM rust:1.70 as rust-build
+FROM rust:1.73 as rust-build
 
 COPY --from=gitclone-build /clone/didcomm-rust /src
 WORKDIR /src