Update docker image to alpine3.16 (#478)

Dockerfile

@@ -1,5 +1,5 @@
 # Create base builder image
-FROM golang:1.19.1-buster  AS builder
+FROM golang:1.19.1-alpine3.16 AS builder
 WORKDIR /go/src/github.com/ava-labs/ortelius
 RUN apk add --no-cache alpine-sdk bash git make gcc musl-dev linux-headers git ca-certificates g++ libstdc++
 
@@ -10,7 +10,7 @@ RUN if [ -d "./vendor" ];then export MOD=vendor; else export MOD=mod; fi && \
     GOOS=linux GOARCH=amd64 CGO_CFLAGS="-O -D__BLST_PORTABLE__" go build -mod=$MOD -o /opt/orteliusd ./cmds/orteliusd/*.go
 
 # Create final image
-FROM alpine:3.14 as execution
+FROM alpine:3.16 as execution
 RUN apk add --no-cache libstdc++
 VOLUME /var/log/ortelius
 WORKDIR /opt