Upgrade golang versions in base build images

alpine3-go upgrades from 1.13.7 to 1.13.8
ubuntu 18.04 upgrades from 1.12.16 to 1.12.17
   and from 1.13.7 to 1.13.8; adds 1.14

Signed-off-by: Lott, Christopher (cl778h) <cl778h@att.com>
Change-Id: I6d8c58b7d0b48f842fa2160fff18987f4946efcc
diff --git a/docker/bldr-alpine3-go/Dockerfile b/docker/bldr-alpine3-go/Dockerfile
index a1e31f0..0906b43 100644
--- a/docker/bldr-alpine3-go/Dockerfile
+++ b/docker/bldr-alpine3-go/Dockerfile
@@ -16,13 +16,13 @@
 # ==================================================================================
 
 # Has:
-# golang 1.13.7
+# golang 1.13.8
 # alpine 3.11
 # rmr 1.13.1
 # Installing this version of rmr also pulls in nng
 
 # install a well known working rmr
-FROM golang:1.13.7-alpine3.11
+FROM golang:1.13.8-alpine3.11
 RUN apk update && apk add autoconf automake build-base cmake libtool ninja pkgconfig git
 RUN git clone --branch 1.13.1 https://gerrit.oran-osc.org/r/ric-plt/lib/rmr \
     && cd rmr \