Bump alpine from 3.15.3 to 3.16.0 (#129)

Bumps alpine from 3.15.3 to 3.16.0.

---
updated-dependencies:
- dependency-name: alpine
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Dockerfile

@@ -4,7 +4,7 @@ ARG FFMPEG_VERSION=5.0
 
 ##############################
 # Build the NGINX-build image.
-FROM alpine:3.15.3 as build-nginx
+FROM alpine:3.16.0 as build-nginx
 ARG NGINX_VERSION
 ARG NGINX_RTMP_VERSION
 ARG MAKEFLAGS="-j4"
@@ -58,7 +58,7 @@ RUN \
 
 ###############################
 # Build the FFmpeg-build image.
-FROM alpine:3.15.3 as build-ffmpeg
+FROM alpine:3.16.0 as build-ffmpeg
 ARG FFMPEG_VERSION
 ARG PREFIX=/usr/local
 ARG MAKEFLAGS="-j4"
@@ -131,7 +131,7 @@ RUN rm -rf /var/cache/* /tmp/*
 
 ##########################
 # Build the release image.
-FROM alpine:3.15.3
+FROM alpine:3.16.0
 LABEL MAINTAINER Alfred Gutierrez <alf.g.jr@gmail.com>
 
 # Set default ports.