chore(container): update image golang to 94b4686

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:alpine@sha256:13aaa4b92fd4dc81683816b4b62041442e9f685deeb848897ce78c5e2fb03af7 AS builder
+FROM golang:alpine@sha256:94b4686346804a8cfc3d2c9069bbdf4bfb21ac8bdc6d99e23f529e295db1cd81 AS builder
 # UPSTREAM_VERSION can be changed, by passing `--build-arg UPSTREAM_VERSION=<new version>` during docker build
 ARG UPSTREAM_VERSION=master
 ENV UPSTREAM_VERSION=${UPSTREAM_VERSION}