dockerfile: Use the same Go version.

Signed-off-by: Paweł Szulik <pawel.szulik@intel.com>

deploy/Dockerfile

@@ -1,7 +1,8 @@
 FROM alpine:3.12 AS build
 
-RUN apk --no-cache add libc6-compat device-mapper findutils zfs build-base linux-headers go python3 bash git wget cmake pkgconfig ndctl-dev && \
+RUN apk --no-cache add libc6-compat device-mapper findutils zfs build-base linux-headers python3 bash git wget cmake pkgconfig ndctl-dev && \
     apk --no-cache add thin-provisioning-tools --repository http://dl-3.alpinelinux.org/alpine/edge/main/ && \
+    apk --no-cache add go==1.16.10-r0 --repository http://dl-3.alpinelinux.org/alpine/v3.14/community/ && \
     echo 'hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4' >> /etc/nsswitch.conf && \
     rm -rf /var/cache/apk/*