Update Dockerfile

Dockerfile

@@ -1,7 +1,7 @@
 FROM golang:1.14-alpine as builder
 WORKDIR /jfrog-cli-go
 COPY . /jfrog-cli-go
-RUN apk add --update git && sh build.sh
+RUN apk add --update git && sh build/build.sh
 FROM alpine:3.7
 ENV CI true
 RUN apk add --no-cache bash tzdata ca-certificates curl