Use the latest alpine version in Dockerfile (#610)

Signed-off-by: NikitaSkrynnik <nikita.skrynnik@xored.com>

Dockerfile

@@ -21,6 +21,6 @@ CMD go test -test.v ./...
 FROM test as debug
 CMD dlv -l :40000 --headless=true --api-version=2 test -test.v ./...
 
-FROM alpine:3.18 as runtime
+FROM alpine as runtime
 COPY --from=build /bin/app /bin/app
 ENTRYPOINT ["/bin/app"]