build: update dockerfile to use axum instead of actix

Author: mmalenic

deploy/Dockerfile

@@ -1,4 +1,4 @@
-FROM rust:1.76-slim AS builder
+FROM rust:1.81-slim AS builder
 
 LABEL org.opencontainers.image.source=https://github.com/umccr/htsget-rs
 LABEL org.opencontainers.image.url=https://github.com/umccr/htsget-rs/pkgs/container/htsget-rs
@@ -17,9 +17,9 @@ RUN cargo build --all-features --release && \
 
 FROM gcr.io/distroless/cc-debian12
 
-COPY --from=builder /build/target/release/htsget-actix /usr/local/bin/htsget-actix
+COPY --from=builder /build/target/release/htsget-axum /usr/local/bin/htsget-axum
 
 ENV HTSGET_TICKET_SERVER_ADDR 0.0.0.0:8080
 ENV HTSGET_DATA_SERVER_ADDR 0.0.0.0:8081
 
-CMD [ "htsget-actix" ]
+CMD [ "htsget-axum" ]